# Co-Requisite Course for Statistics

## MathHelp.com provides a complete online Co-Requisite Course for Statistics. With a personal math teacher inside every lesson, you’ll learn the exact content you need to succeed in Statistics.

Exponents, variables, & integers

• 1 Exponents
• 2 Variables
• 4 Multiplication Properties
• 5 Graphing and Writing Integers
• 6 Opposites and Absolute Value
• 7 Adding and Subtracting Integers
• 8 Multiplying and Dividing Integers
• 9 Order of Operations
• 10 Absolute Value

Factors, multiples, and understanding fractions

• 11 Factors and Primes
• 12 Multiples and Least Common Multiple
• 13 Greatest Common Factor
• 14 Equivalent Fractions (Part I)
• 15 Reducing Fractions to Lowest Terms
• 16 Equivalent Fractions (Part II)
• 17 Improper Fractions and Mixed Numbers
• 18 Comparing Proper Fractions

Operations on fractions

• 19 Adding and Subtracting Like Fractions
• 20 Adding and Subtracting Unlike Fractions
• 21 Multiplying Fractions
• 22 Dividing Fractions
• 23 Adding and Subtracting Fractions
• 24 Multiplying and Dividing Fractions
• 25 Order of Operations with Fractions

Decimals

• 26 Understanding Decimals
• 27 Converting Decimals to Fractions
• 28 Converting Fractions to Decimals
• 29 Comparing Decimals
• 30 Rounding Decimals
• 31 Estimating Sums and Differences of Decimals
• 32 Adding and Subtracting Decimals Word Problems
• 33 Multiplying and Dividing Decimals Word Problems
• 34 Terminating and Repeating Decimals
• 35 Determining if a Number is Rational or Irrational

Algebraic expressions

• 36 Evaluation
• 37 Combining Like Terms
• 38 Distributive Property
• 39 Distributive Property and Combining Like Terms
• 40 Modeling Expressions

Solving equations in one variable

• 41 One-Step Equations
• 42 Two-Step Equations
• 43 Equations with Fractions
• 44 Equations Involving Distributive
• 45 Equations with Variable on Both Sides
• 46 Equations with Variable on Both Sides and Distributive
• 47 Literal Equations

Inequalities and absolute value

• 48 Introduction to Inequalities
• 49 Solving and Graphing Inequalities
• 50 Combined Inequalities
• 52 Absolute Value Equations
• 53 Absolute Value Inequalities

Ratio, rate, and proportion

• 54 Introduction to Ratios
• 55 Equal Ratios
• 56 Unit Rate
• 57 Unit Price
• 58 Introduction to Proportion
• 59 Solving Proportions
• 60 Proportion Word Problems

Percent

• 61 Understanding Percents
• 62 Fractions and Percents
• 63 Decimals and Percents
• 64 Percent Word Problems
• 65 Percent Increase or Decrease
• 66 Discount
• 67 Sales Tax
• 68 Interest

Word problems

• 69 Translating English to Algebra
• 70 Writing and Solving Multi-Step Equations
• 71 Number Word Problems
• 72 Motion Word Problems

Graphing

Linear equations in two variables

• 77 Slope as a Rate of Change
• 78 Slope of a Line
• 79 Using Slope to Graph a Line
• 80 Slope Formula
• 81 Slope-Intercept Form
• 82 Converting to Slope-Intercept Form and Graphing
• 83 Writing Equations of Lines
• 84 Writing Equations of Lines Using Tables

Properties of exponents

• 85 The Product Rule
• 86 The Power Rule
• 87 The Quotient Rule
• 88 Numerical Bases and Exponents of Zero
• 89 Negative Exponents
• 90 Numerical Bases with Negative Exponents
• 91 Multiplying and Dividing with Negative Exponents

Scientific notation

• 92 Powers of 10
• 93 Converting from Scientific to Standard Notation
• 94 Converting from Standard to Scientific Notation
• 95 Multiplying and Dividing with Scientific Notation

Perimeter and area

• 96 Perimeter
• 97 Circles
• 98 Circumference
• 99 Area of Squares and Rectangles
• 100 Area of Triangles
• 101 Area of Parallelograms and Trapezoids
• 102 Area of a Circle

Surface area and volume

• 103 Classifying 3-Dimensional Figures
• 104 Surface Area
• 105 Volume of Prisms and Pyramids
• 106 Volume of Cylinders, Spheres, and Cones

Square roots

• 107 Simplifying Square Roots
• 108 Multiplying Square Roots
• 109 Dividing Square Roots

Representing data

• 110 Bar Graphs
• 111 Line Graphs
• 112 Circle Graphs
• 113 Stem-and-Leaf Plots and Frequency Charts
• 114 Histograms
• 115 Scatterplots and Trends
• 116 Range, Median, and Mode
• 117 Box-and-Whisker Plots
• 118 Mean
• 119 Central Tendency Word Problems

Probability and counting

• 120 Simple Probability
• 121 Experimental Probability
• 122 Probability of Independent Events
• 123 Probability of Dependent Events
• 124 Tree Diagrams and the Counting Principle
• 125 Permutations
• 126 Combinations
4.9
Based on 254 reviews
Thank you! I passed my NYSTCE Grades 1-6 exam and did surprisingly well. I haven’t taken a math course in 20 years so I was nervous. I liked that I could go through all of the lessons, test my current knowledge and then focus on the areas with the most need. I felt the lessons were taught at a level I could understand. I appreciate the course I took so much, it helped me out for sure. I got a 557 on a test that I thought would be near impossible for me to pass.
Kimberly Youngberg
23:23 04 Aug 24
I annihilated the TSIA2 test! The most helpful part of the course for me was it’s step-by-step format and practice questions and its slowly ramps up in difficulty - which kept me motivated. The way the course is formatted made it incredibly satisfying and easy to learn.
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01:21 25 Jul 24
The Accuplacer test went well and my daughter scored high enough to get into the college math class she needed to take. We really liked the program. It was great how there were the explanation videos which were really good and then the practice and then the quizzes. I liked how if she already knew something we could skip right to the quiz part and if she was struggling with something we could watch the explanations a couple times and then see the practice problems worked. I wasn’t sure how I was going to get her ready for that placement test before I found your program and it was just what we needed. I would definitely recommend it.
20:47 23 Jul 24
Passed the math placement test! I liked the course very much, simple to navigate, videos are very easy to follow; loved the practice part and small test after every lesson. I think you guys did an amazing job putting this together! Thank you!
Tatiana McKenzie
15:44 23 Jul 24
My AccuPlacer test went very smooth thanks to the MathHelp lessons. All throughout the course I was thinking “this is refreshing my brain so well, while also teaching me lessons much more efficiently than what I have learned in the past”. The course was great.
abbie boudreaux
13:34 25 Jun 24
I haven't taken a formal math class for 25+ years. I was worried about the placement test for re enrolling in college. Math help did a great job dusting off the cobwebs and taught me enough to get into the course I needed. I thought the lessons were very good and thorough to give me the refreshers I needed to get the job done.
Taylor Davies
01:11 28 Apr 24
I am very pleased to say that I was able to pass the PRAXIS Elementary test on the first attempt. This wouldn’t been possible without mathhelp. Everything that was offered during the course I saw back at the test as well. For me everything was helpful especially the extra explanations and the subtests.
Lily Castillion
11:16 26 Apr 24
I'm 47 and recently needed to use your site in order to get a training grant for an IT certification. I did well on the CASA exam today - not a perfect score or anything but I passed comfortably. I like how each module is set up. Watch the video, work on practice problems or bonus if necessary and then do the test. I would have loved something like this in grammar or high school. Each module reminded me of the old math books without the extra unnecessary stuff just get right to the point. You guys have a great website, keep up the good work!
Sean Harper
12:56 11 Apr 24
Mathhelp was so helpful to me in passing my ALEKS test and my two other math classes. I am now a college graduate! The instructors were both knowledgeable and patient and the lessons were easy to follow. I could test myself over and over till I understood a problem. As a “non-math person,” whose last math class was over 35 years ago, I would never have made it without Mathhelp. It was worth every penny and then some. I. Will always be grateful. Keep of the great work.
Lynn Johnson
02:40 05 Apr 24
My ALEKS test went well when I used MathHelp! The most helpful tool to use was the review at every section and especially the final exam feature at the end. I loved having practice taking math tests again. It had been a long time! I loved how if I had a problem understanding any topic, I could use the links provided to go back and understand the background for each step. (For me, this applied to a lot of the exponential expressions and geometry stuff). I can't thank you enough for your program! It was great and I feel so much more confident about my success in my math classes coming up!
Hannah Scheib
16:53 29 Mar 24
I passed my TSIA2 test, and honestly I tried out so many different websites; Mathhelp was by far the best and worth every penny! It was easy to follow and went over exactly what I needed to know.
Lydia Vann
05:11 25 Feb 24
I’m a huge fan!Both the Accuplacer and ALEKS courses were spot.I set a goal to see if I could cram learn and test into precalculus/ trigonometry inside of just two weeks - and I did it!I sincerely could barely do the foil method and I didn’t even know how to do long division and because of the course, and particularly Matt’s clarity in the lessons, I now play with functions for fun. :)Super grateful.
19:28 07 Feb 24
I PASSED the PRAXIS test on my first try after using your product. Not only did I pass, I got a 166!!!! That’s a score I never thought I’d get. The small snippet videos were definitely a game changer for me.
Cherie Pecjak [Miller, Bob MS]
18:12 06 Feb 24
My math placement test was so great, I was able to enter directly into my college class without taking the test a second time. I am so grateful. The elements of the course that were most helpful for me were radicals, addition of polynomials, measurements (a lot of questions here), inequalities, and word problems. Again thank you so much, my twin brother is about to subscribe because he also has a math placement test very soon. I told him about this, but he did not believe me. Now, the results have spoken, and he wants to take the course too.
Appelé moi Qúëén Stëph
12:31 27 Jan 24
My PRAXIS test went well - I passed. I wouldn’t have been able to without this course. Thank you! I liked being able to “test out” of a section. I also enjoyed the explanations with each part. I believe it was comprehensive and well structured. Thank you!
Steven Zimmer
23:18 26 Jan 24
Aleks test went well. The videos combined with the practice and test format with extra help videos on the side were great. The course is laid out perfectly.
Austin Collins
18:48 20 Jan 24
Helped me complete a placement test to land in the class I need. The videos were super clear. They showed EVERY step, which had been a problem I was encountering with other learning sites. The instructions were well paced and easy to follow. Also, it gave me enough questions to actually practice the concept I just learned. Being able to practice over and over again, with fresh questions, on the test at the end of each segment was the best part. I'll use it again down the line.
Jonathan Reynolds
00:57 11 Jan 24
The Accuplacer test went well. I was aiming for intermediate algebra so that way I could go straight into statistics for my nursing program. I scored 267 on next-gen quantitative reasoning, algebra and statistics along with a score of 241 in next-gen advanced algebra and functions and placed perfectly into statistics, so thank you again. I believe all of the word problems on the website helped. Any standard graphing, algebra, or geometry questions that came up on the test I was able to solve without much difficulty. I’m coming from graduating high school in 2011 and I have been out of practice with math.
Quinn Martin
17:08 12 Dec 23
I started using MathHelp because I was going to take a placement test to go back to College. The test went really well. My score on Quantitative Reasoning, Algebra, and Statistics was 274 which is very good for the Next-Gen Accuplacer test. The lady at the College said it was the best score she had seen in a while. I have nothing but to thank MathHelp for the review and the very well structured and easy to follow classes, it really helped me. I'm starting College Algebra this upcoming Spring Semester and will definitely come back to MathHelp in case I need some outside help.
Camila Silva
20:47 08 Dec 23
We subscribed to the TSIA2 prep course for my daughter. She took the test today and PASSED! We’re so happy! The course helped her be as prepared as possible. We appreciate it!
Jeremy Traynor
14:56 17 Nov 23
First off, I just want to say thank you because these lessons helped me so much to prepare. I have been out of school for a long time and recently decided to take the plunge to go back. Before I did I had to retake my math Accuplacer and was incredibly nervous about doing so as math was never my strong suit in school. The lessons on Math Help really allowed me to understand the material in a simplistic way that I could retain easily. I took my test today and did way better than I expected. From the bottom of my heart I just want to say thank you so much for this invaluable resource for people like myself who may struggle immensely with math.
Kristina Capron
13:34 04 Nov 23
I did my PERT test today and got 150 on maths. This course was so helpful. I didn't go to high school in America and I basically had to teach myself a lot of the different sections but this program really made it seem so simple and I wouldn't have passed without it.
Rebecca
14:52 17 Oct 23
My PERT test went great! I scored high in the math and met the requirement to enter straight into college level classes. I think overall the structure of the test prep courses are great. Specifically, the exponent rules, factoring binomials and trinomials, and synthetic division lessons were great for me, as I had long forgotten how to do any of it, and they were relevant to many questions on the test.
Logan Stewart
16:09 04 Oct 23
I found the course great! I have been out of school for a while so it was a great refresher before re attending uni. The skills I gained from this course definitely improved what my ALEKS score would have been. I found the tests at the end of each section the most helpful. But I also loved the short video format.
Zoe Thomson
20:34 29 Aug 23
I qualified for my goal of College Algebra. I haven't taken a math class since 2004 and have always disliked it. I found your Accuplacer QAS and AAF lessons to be easy to follow and actually looked forward to them. I liked that the videos and lessons were short so that I could stay focused with review questions at the end. I am very happy with my results, and I would recommend this course to anyone wanting to prepare for the test. i’m
Sally Haag
13:49 23 Aug 23
Mathhelp was very helpful. I never went past Algebra 1 in High School, and then 7 years later I needed to place into precalculus to pursue my first college degree. I studied through all of the ALEKS Mathhelp lessons, and then I got a 64 on the test, placing into the math class I needed to be in.Thank you so much for all the help.
Hannah Burbrink
15:31 21 Aug 23
My Accuplacer test went great, the lessons helped a lot. I’d say the most helpful bit was how each subject had the videos, practice, and a test. It really helped me figure out which sections I needed to study more. Thank everyone with MathHelp for your help!
Brooklyn Scheese
18:04 20 Aug 23
I really loved the course! I thought it was perfect. The videos are short and clear and there is lots of practice! I ended up taking the PERT Math test and scoring high. I am very thankful to this course! Now I can take all my nursing prerequisites (only Math was standing in my way but now I'm good to go).
Tetiana Lapina Arfaras
14:51 18 Aug 23
I am horrible with math was a blank slate prior to MathHelp as I haven’t touched math in nearly 2 years. I found the short 45 second to 1 min videos to be tremendously helpful. Very straight forward and I never felt lost. I made above average on my accuplacer! Will definitely be using again for standardized tests in the future.
Kamren Primeaux
17:22 05 Aug 23
My TSIA2 test went great. I passed the test my first try and math is not my strongest subject so this course helped a lot. Thank you!
Emma Allen
14:28 01 Aug 23
It was very helpful as an overview of all the TABE math concepts. The ability to jump ahead by answering just a few "test" questions was also terrific. I teach math so to have to start from the beginning when I understand several topics already would have been painful :)
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17:25 28 Jun 23
Thank you so much. Your easy to use program allowed me to become a military Police officer on my first test try.Thank you again.
Keith A
15:43 23 Jun 23
My AccuPlacer test went well. I had taken it once before, but the score wasn’t high enough to get into the program I wanted to get in to. I signed up for MathHelp and when I retook the test, my score went up 20 points. Everything was very helpful— I’m more of an independent learner so it was nice having something where I could pace myself. I liked the way the lessons were sectioned into categories. Thanks!
morgan
15:37 17 Apr 23
This is a great program that is very straightforward and helpful. I struggle with math and need a higher placement score on the ALEKS test to finish my Bachelor's degree. I studied with the MathHelp step by step plan for a month and did well enough that I placed into my class! Thanks MathHelp!
Jeri Hillegeist
15:42 13 Apr 23
My middle school MTEL went excellently-- I passed on my first attempt! I didn't have a lot of math class exposure after high school, so this test felt very daunting until I found MathHelp. I found the lessons and activities to be very accessible for someone like myself who isn't necessarily the most naturally math-minded person. This was by far the best test preparation experience I've had for any of my teacher licensing exams, and I feel much more confident in my overall math skills after the course. I credit my passing score to the lessons and practice I received from the website. I particularly enjoyed the ability to change the pacing of the video lessons. I also really enjoyed the hints that were available in the practice problems, which helped me adjust some misconceptions I had while I worked through the problems. I'm so grateful I found the site! Thank you so much for making these lessons available at a reasonable price.
Kym Zlogar
14:54 13 Apr 23
The ALEKS prep was very helpful. I was able to test into a much higher math class than I'd expected. I loved the pace of the videos and that there were practice test throughout and at the end of each section. It helped me to figure out where I needed more studying. The whole course is really well organized at thought out. I most definitely recommend!
Lizzy Hitchman
19:29 08 Apr 23
I passed my CASA test with flying colors, thanks to your website! For me the most helpful elements were the instructional videos and then the practice afterwards. Thank you so much!
Morgan W
16:23 28 Mar 23
The ALEKS test actually went really well! I got a 76, which placed me into the best section I could have. I think that the website itself was very organized in finding all the elements, and I also think that the condensed/ shorter videos combined with the examples were most helpful.
Olivia Beth Vaughan
15:08 28 Mar 23
First of all, the order in which your course is structured—lessons, practise exercises, tests, and finally reviews—helped me grasp and assess how well I'm learning a certain topic. This increased my self-assurance while simultaneously addressing my weak areas. There is nothing that could be added because everything is flawless, and I truly appreciate how well everything is laid up. I'm grateful to your organization and the course for helping me perform well on the math placement test for my college. I appreciate your efforts and those of your staff.
Atif Baig
16:15 22 Feb 23
I needed to be placed in Calculus for school and there were many bits of information I haven't reviewed in years. After taking some test prep modules on Mathhelp, I got into Calculus! Mathhelp breaks each topic down step by step and explains without becoming confusing or over complicated. The modules and the mini quizzes were small enough to squeeze in a review without taking too much time out of my schedule. Without this website, I don't think I would have been able to get placed into where I wanted to be as easily!
Arabella Thornhill
20:30 23 Jan 23
I'm a returning college student who hasn't taken a math class in nearly 5 years. I felt like I needed somewhere I could build on my fundamentals, so I turned to MathHelp. I started with the first ALEKS lesson on MathHelp, watching all the videos, and taking every test until I could pass with a 100% all the way up to the end of exponential and logarithmic equations, which was lesson 179. Overall, I'm very satisfied with my time using MathHelp. Topics I remember as being complicated, like logarithms, were actually very easy to understand thanks to the short video format of the lessons. Recently I took the ALEKS placement assessment and scored well enough to place into pre calculus. I’m impressed I was able to do that well, going from barely remembering the fundamentals of algebra to nearly placing into calculus.
Peter Ogbuagu
18:57 20 Jan 23
My Accuplacer test went super well and I’m really glad that I took this course.
Aalaa Abdalla
21:42 17 Jan 23
I absolutely love MathHelp. I had not taken a math class in over 30 years and math has always been a difficult subject for me, so for me to be able to prep for the PERT test, place into College Algebra, and then get an A in the class - that was amazing! I have recommended MathHelp to friends and family and will continue to do so.
goofy girl
15:11 19 Dec 22
My Accuplacer test went well; I passed! I very much enjoyed the lessons, and found them to be helpful and engaging. This is probably the most thorough and well thought out math website I’ve ever used. Thank you for all your hard work!
Sarah Duke
09:11 12 Dec 22
It was beneficial! Not only does this prepare you for the placement test, but it prepares you for mathematics as a subject in general. This is the best maths course money can buy. I was initially skeptical, but I am glad I tried it. I got 68/75 for my maths placement score.
Saint Evita
01:52 30 Sep 22
I have completed and passed the NYSTCE Grades 1-6 Math 222 test. I have also completed the Birth - 2 Math examination, and am awaiting those scores. The MathHelp.com course I feel prepared me for both examinations. Thank you! As for elements of the course that were helpful were that the videos for each lesson were broken down into different steps, rather than one long video for each lesson. Having different sections made it easier to start and stop as I needed and skip when necessary. Having lessons within a unit be separated was a great layout. I also thought the side bar with links to the earlier videos were helpful to remind yourself of some other concept. It was helpful that there were both practice questions and quiz questions. I have recommended this website to my friends who also need to take the Math CST exams!
Dana Klein
17:28 11 Jun 22
I am a 50+ who decided to go back to school late in life. I need to take College Algebra to obtain my degree. To avoid prerequisite math classes, I needed to pass their placement test.It has been a “a few years” since I took a math class. I needed to study and searched for online courses. I came across many sites, but Mathhelp.com had the best setup, so I signed up. The course covers everything you will need to know. I went through the entire course and took the final exam a few times as reinforcement.The courses are put together in an easy-to-follow manner and provide everything you will need to pass any math test. The layout was easy to follow. The video, followed by practice, followed by the questions were so easy to follow. It is all on one page. There is no navigating back and forth. If you get one wrong, you are given a step-by-step explanation on how to get the correct answer. The reinforcement of each concept is helpful. The videos really make it so easy to learn. The three instructors are great and teach each subject clearly and in a detailed manner.Whether your child is struggling in elementary school, or you are a college student who needs some extra help, Mathhelp.com is the solution to your needs.I aced my placement test. I now feel fully prepared for the College Algebra class I'm taking next semester. I highly recommend this course.
Miss LL
19:47 03 Jun 22
My College Algebra course went well thanks to your program. The most helpful elements to me were the multiple videos of explanations that started off extremely basic and built up difficulty. I do not learn very well when I get blasted in the face with information then an overly difficult problem. Also the practice tests helped with learning and then performing which helped me retain the lesson.
tylor qualls
15:50 30 May 22
My last PERT test went amazing, I scored 124 after many attempts before using your program. The most helpful elements of your course where the diagnostic tests and the video reviews.
Vanessa Jammer
16:33 27 May 22
In school I had big problems with math and always considered myself like a liberal arts person. But with this course I prepared for the Accuplacer to be able to take classes I need in college without mandatory remedial classes and I even fell in love with math. And now I understand it very well, thanks to you, and I find it charming to solve different type of equations. Even though English is not my first language I was able to understand everything. So after preparation from scratch I passed this test very easily to the level I needed. So thank you, guys! You’ve made a great product!
Asya Hirst Caron
14:53 16 May 22
I have to say how much I enjoyed your TX PACT class. It was a great reminder of things I haven’t done in years. Your explanations were so simply put and easy to understand. I felt confident while taking my test, and actually enjoyed studying for it.
Sidney Steinle
20:59 29 Apr 22
My FTCE Math test went great and I passed. Your program was exceptional. I loved all facets of it. I like the fact that if you knew one component you could take an exit ticket and move on to the next section. The videos were awesome too.
Pamela Williams
14:18 10 Apr 22
I used the website to prepare myself for my math placement test to get to college and I got in!!
Soleny Gonzalez
17:23 07 Apr 22
It was all very helpful to me and is the reason I was able to pass the NES Elementary Math test!
Jenna Burkhalter
19:41 03 Apr 22
It was all a great refresher! The higher level math (above basic addition and subtraction) was super helpful to refresh my brain on how to do many concepts I had forgotten about. I was able to pass the PRAXIS!!! I just referred a colleague to your site who needs to pass the test too!
Tosha Lynn Youngdahl
16:10 01 Apr 22
I found the algebra sections to be the most helpful. I passed my MEGA middle school math test, thanks to your site! I tried Mometrix and failed the first time, but I used your site for just 2 months and passed with flying colors!
Kassie Mitchell
03:42 16 Feb 22
The first time time I took the PERT I got a 103, and the bare minimum requirement was 114. The second round I used MathHelp to study, and scored 130 out of 150! The instruction videos, and practice tests helped me a lot. Everything about MathHelp is absolutely wonderful!
BubblyBunny007
02:49 05 Feb 22
As a math-phobe, I needed as much help on the FTCE math test as could get. A teacher at my school suggested your program. I loved your back-to-basics approach to help someone like me, a 58-year-old who never liked or could do math. I found your instructions and lots of practice questions and tests to be extremely helpful. I took many of the questions over and over again to get the steps correct. I always especially had trouble with measurements and geometry, and I think your program helped ease my anxiety and confront those questions head on. It also helped me get straight in my head the positives/negatives and when they apply in addition, multiplication, etc., as well as how to take a word problem and make it into a solvable algebra equation. It was an extremely helpful program for me. Keep up the great work!
Linda Ossman
20:38 17 Jan 22
That course was the absolute reason in my success of the TSIA2 test. I did pass it and can take College level algebra instead of developmental math. Specifically speaking, the quadratic equations, functions/graphing, linear equations in two variables and expressions, equations and formulas really helped. So I'd most definitely give that course a lot of credit to helping me pass.
Myron Johnson (MJ's Liquid Gold)
16:34 13 Jan 22

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