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Algebra and Functions: Drill Set 2, Problem 5. Simplify the expression.

SAT Math 4.1 Algebra and Functions

SAT Math 5.4 Algebra and Functions

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

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...

Riemann sums are a way to estimate the area under a curve. Check out the video for all the deets.

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

SAT Math 5.5 Geometry and Measurement

Los cubos de hielo no son ruidosos generalmente...pero tienen un volumen de tipo diferente. Este video te enseñará cómo encontrar el volumen de...

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 2.4 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.

SAT Math 2.5 Statistics and Probability

SAT Math 2.4 Statistics and Probability

SAT Math 7.5 Geometry and Measurement 

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?

GED Math: Graphs and Functions Drill 5, Problem 5. What is the value of a?