If the base of the triangle is 19.5 in, find the area of the triangle. Round your answer to the nearest tenth.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

This is about circle theorems. someone asap : (