To estimate the number of lizards in a certain region, Sean traps 36 lizards and marks them. He releases these lizards and then later catches 200, 16 of which are marked. What is the BEST estimate for the lizard population?

A) 400
B) 425
C) 450
D) 475

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