2.5 \dfrac{\text{g}}{\text{cm}^3}2.5 cm 3 g 2, point, 5, start fraction, start text, g, end text, divided by, start text, c, m, end text, cubed, end fraction.

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