A bag contains 4 striped marbles and 6 solid color marbles. One marble is chosen, kept out of the bag, and then a second marble is chosen. What is the probability that two solid color marbles are chosen? 1/3

9/25

3/10

2/15

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