Ricky has a bowl of 80 jelly beans in it. There are 16 red, 24 green, 12 yellow, 20 orange and 8 black. Ricky takes on jelly bean from the without looking. What is the probability he takes a yellow jelly bean

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