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Circle Equations Overview

A circle is the set of all points on a plane that are equidistant from a center point. The radius of a circle is a line segment that has its endpoints on the center and any point on the circumference of the circle. Take a look at this circle on the coordinate plane: The circle … Read more

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Tutorial Videos

Watching and listening to someone explain a topic is a great way to fully grasp the information. Below, you’ll find video tutorials designed to help you comprehend thousands of testing topics so you can be better prepared for test day. Business and Finance Business Management Economics Finance Safety Professional English Parts of a Sentence Reading … Read more

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Best Study Snacks

Did you know that most (81%!) people grab a study snack to enjoy while they hit the books? Studying and snacking are like peas in a pod, and the study-snacking options are endless. With so much variety, we wanted to see what you’re eating to power through those long hours of studying! What are the … Read more