I don't know how to work out this word problem for my math class

A sphere has a diameter of 30 meters. What is the volume of the sphere.

Graph the function f (x) = (x+1) (x-2)

The circumference of a circle is 18.84 inches. Find the diameter of the circle

What is the are of this parallelogram h=5in b=6in

A triangle has a height of 8x + 3 and width 6x^2. What is the area?

mean of 20, 30, 40, 50, 60, 70, 80

4 (n-4) + 14 evaluate each expression for N=5

What is cos 30 degrees in a fraction?

The local grocery store is having a sale on watermelon. Mrs. Jackson purchase 10 watermelons for a school picnic. She recevied a discount 50 cents on each watermelon. She pays for $34.90 for the watermelons.

Ella purchased a game that was on sale for 12% off. The sales tax in her county is 6%. Let y represent the original price of the game. Write an expression that can be used to determine the final cost of the game. A. y - 0.12y B. 0.06 (0.88y) C. 1.