2. In parallelogram PQRS, PQ = 4x+28, QR=x+31, RS=10x+4. Which of the following is the length of RS ? (1) 1
(2) 44
(3) 32
(4) 4

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