A probability question asks you to identify how likely a particular event is to occur. How likely is it that you’ll pick a red marble out of a bag? How likely is it that a particular person will be chosen out of a lottery? How likely is it that two or more events will both occur? These are just some of the many different types of probability questions you may encounter on the SAT.

This guide will take you through all aspects of probability you’ll need to know for the SAT—exactly what probability means, the typical probability questions you’ll see on the SAT math section, and the steps needed to solve them.

One of the trickier concepts that you will be tested on ACT English is your ability to choose the right word from among many that are not quite right, and to spot when words are being used incorrectly.

Are you confident in your ability to find the differences in a group of similar words? Can you distinguish what’s needed from the context of a question?

Many students take the PSAT in the fall of their junior year. What a lot of students may not notice is the full name of the test is PSAT/NMSQT, or Preliminary SAT/National Merit Scholarship Qualifying Test. Thus, the PSAT is not just good practice for your SATs. It's also the first step in becoming a National Merit Finalist and hopefully, earning a $2,500 scholarship from the National Merit Scholarship Corporation (NMSC).

In this article, we'll discuss what steps you need to take to become a National Merit Finalist and compete for a scholarship. We'll also give you advice on how to write a strong application and maximize your chances of becoming a National Merit Scholar.

Getting ready to start salsa classes? Awesome! Salsa dancing is a great way to exercise, meet new people, and have fun.

If you're preparing for your first salsa class, you may be wondering what to wear to salsa class. While most salsa dancing classes don't have a strict dress code, it's important to dress appropriately for the activity.

To do well on the SAT, you’ll need to have an SAT study plan. This plan tells you what, when, and how to prep for the SAT. It also helps you manage your time so that you’re not focusing too much (or too little) on certain topics and skills.

In this guide, we give you four SAT study plans to choose from, based on your SAT score goals. Before we dive into those, though, let’s go over the benefits of having an SAT study schedule and the preliminary steps you'll need to take to get your SAT plan off the ground.

On the newly redesigned 2016 SAT, the math section content is divided into four categories by the College Board: Heart of Algebra, Problem Solving and Data Analysis, Passport to Advanced Math, and Additional Topics in Math. Heart of Algebra accounts for the largest part of the SAT math section (33% of the test), so you need to be well prepared for it. In this post, I'll be discussing this category's content and question types, working through practice problems, and giving tips on how to ace these questions.

We present information about SAT test dates for the 2015-2016 school year here. We also link to our top articles that you must read before deciding on a test date.

Variables, exponents, and more variables, whoo! ACT operations questions will involve all of these (and so much more!). So if you ever wondered what to do with or how to solve some of those extra long and clunky algebra problems (“What is the equivalent to ${2/3}a^2b - (18b - 6c) +$ …” you get the picture), then this is the guide for you.

This will be your complete guide to ACT operations questions—what they’ll look like on the test, how to perform operations with multiple variables and exponents, and what kinds of methods and strategies you’ll need to get them done as fast and as accurately as possible. You'll see these types of questions at least three times on any given ACT, so let's take a look.

Signing up for car insurance and not sure if it's worth it to pay a premium to waive subrogation? Or maybe you've been in an accident and the other person has offered to settle with you if you sign a waiver of subrogation—should you do it? What is subrogation, really?

Before you decide, you'll need to understand what subrogation is and why you would (or wouldn't) want to waive it. In this guide, we define subrogation and explain when and why it occurs to help you make an informed decision.

If you're in marketing, you're used to selling products and services. But, do you know how to sell yourself as a valuable employee?

Crafting a clear, standout resume is a great way to convince potential employers of your value as an employee. If you're a marketing professional looking to learn some tips about how to polish up your resume to find a new job, then this article is for you.

In this article, I'll tell you the top three skills you need to highlight on your marketing resume, offer tips for how to make your marketing resume for successful, and answer some frequently asked questions about marketing resumes. I'll also provide two different marketing resume examples that you can view.

Hoping to become a flight attendant? If so, you're not alone. Every year, tens of thousands of people apply for the limited flight attendant job openings at airlines around the world. Flight attendant jobs are highly coveted and highly competitive.

As an applicant, it may seem overwhelming to figure out how to stand out from the crowd of thousands of other flight attendant applicants. In this article, I'll talk about how you can use your resume to get your foot in the door for flight attendant jobs. By the end of this article, you'll be ready to write your own flight attendant resume and get the airline job of your dreams!

Have you recently had the name "CBNA" appear on your credit report and are unsure what it means? If so, you’re not alone. Many consumers have had hard pulls on their credit report from CBNA, which most commonly refers to Citibank North America, but can also refer to the Credit Bureau of North America, Community Bank, N.A., or Comenity Bank.

In this article, I’ll talk about what seeing CBNA on your credit card means, what each of the companies associated with the acronym CBNA are, and what you should do if you find something unexpected on your credit card.

If you’re planning a trip to another country, you’ve probably spent a lot of time thinking about the airline you’ll fly, the hotel or AirBnB you’ll stay in, the food you’ll eat, and the fun new things you’ll get to experience. You might not, on the other hand, have thought too much about how you’ll get money on your trip.

Despite the fact that currency conversion is a decidedly less interesting travel topic than the best place to go zip-lining, it’s important to understand the costs associated with changing money. Currency exchange requires some time and effort, so it’s necessary to plan ahead or you risk getting stuck with heavy fees.

In this article, I’ll cover the basics of how currency exchange works and what you should consider when deciding where and how to change money.

At PrepScholar, we've written the best online ACT prep guides available, covering everything you need to know to improve your score on the ACT. They're all available right here on our blog, and we think they beat any book you can purchase. What's more, they’re completely free!

This guide—our Ultimate ACT Prep Guide—collects all of our most important ACT study guides and articles in one place. We’ll walk you through everything you need to know to ace the ACT and improve your college admission chances.

We'll start off by briefly going over how to use this guide. Then, we'll go section by section through the most critical pieces of information you'll need to know to get a high ACT score. Here's an outline of what this free ACT study guide includes:

The SAT Prep Black Book's first edition was one of the best resources for SAT Prep, and its second edition continues that legacy.

Read this guide for a detailed review of the Black Book's strong points and weaknesses. Also, find out how to integrate this book as part of a complete prep program (because, as we'll explain, it's nowhere near enough for most students).