Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.

2sin (x/2) cos (x/2)

Express the sum or difference as a product: cos 4x - cos 6x

The inequality x ≥ - 10 represents the possible values for x on a number line. Which is NOT a possible value for x?

There are 21 white cars in the parking lot. These cars represent 35% of all the cars in the parking lot. How many cars are in the parking lot? Enter your answer in the box.

Solve the following system of equations. Express your answer as an ordered pair in the format (a, b), with no spaces between the numbers or symbols. 2x + 7v=4. - 4x - 3y=14

Every day Katie looks at the seashells on the beach. she has 28 shells in her collection. katie finds 12 more shells each day

What is 8x+4=20?

Evaluate the following expression. 2- ³

4-3|h|=-20 How do i solve for h?

The area of a right triangle is 210 inches squared. The height of the right triangle is 35 inches. What is the length of the hypotenuse of the right triangle?

What common base can be used to rewrite each side of the resulting equation? 2 4 16 32