Neil goes to the pet shop and selects 2 treats for his dog. He chooses 1, puts it back on the shelf and chooses another. What is the probability Neil selects a bone , replaces it, and picks up a collar? 5 balls, 3 collars, 4 bones.

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