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We don't like knocking people down to size, but we do like simplifying radicals. Join us?

If fleeing criminals always fled the scene of the crime at perfect right angles, it would be much easier to determine their whereabouts. Fortunatel...

Mosquitos need their caffeine, just like the rest of us. Wouldn't think zipping around and stinging people all day long sap your energy?

ACT Math: Intermediate Algebra: Drill 5, Problem 2. Find the product.

ACT Math: Intermediate Algebra Drill 5, Problem 5. Add the two matrices together.

Breathe in deeply through the nose... Now slowly exhale... Breathe in... And out... Now visualize the graph of the limit of f(x) as x approaches 2....

If you're working on developing a positive self-image, don't ever weigh yourself on planet Deneb-G73. Either the gravitational pull there is a tad...

What do snickerdoodles and velocity have in common? Derivatives! No, that wasn't a bad attempt at a joke. Get on our level by watching this speedy...

Haven't you always wondered how much cardboard it takes to encase a trunk warmer for your pet elephant?

It's one thing when all those shapes are sitting flat on the page. But when they start popping out and invading our personal space bubble, we get a...

ACT Math: Plane Geometry Drill 3, Problem 5. How long would it take for the wheel to make two rotations?

Who wants to be a millionaire? In this video, learn about compound interest, interest rates, and the compound interest formula. You'll be buying th...

ACT Math: Pre-Algebra Drill 5, Problem 2. If a and b are prime numbers, how many factors does ab have?

SAT Math 4.3 Numbers and Operations

ACT Math: Coordinate Geometry Drill 3, Problem 1. What shape is shown by the equation in this video?

ACT Math Elementary Algebra Drill 4, Problem 3. Simplify the expression.

FYI: cats don't like to get wet. Okay, so that fact won't be relevant every time you solve trig equations, but it happens to be this time.

SAT Math: Statistics and Probability Drill 1, Problem 2. If the four largest numbers in the set were doubled, what would happen to the median...

SAT Math 1.4 Statistics and Probability. If two standard 6-sided dice are rolled, what is the probability that the sum of the dice will be gre...

SAT Math 1.5 Statistics and Probability. If Silas draws one card, then places it in his pocket and draws another, what is the probability that...

CAHSEE Math: Algebra and Functions Drill 5, Problem 3. Solve the equation.

ACT Math: Plane Geometry Drill 3, Problem 1. What is the area of the trapezoid shape in the video?

AP Statistics 1.5 Statistical Inference. Which of the following statements is false?