The surface area of a sphere is given by the formula sa = 4r2, where r is the radius of the sphere.

if the surface area of a sphere is 256 square yards, then what is the radius of the sphere?

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Don't know how to find x given these segment lengths

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table