Volume problem please help quick

Use circumcenter theorem to solve for the given values

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

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1