A fish tank in the shape of a rectangular prism has these dimensions: length = 20 inches; width = 10 inches; height = 12 inches
What is the volume of water in the tank when it is full?
a. 1,120 cu. in.
b. 3,000 cu. in.
c. 2,400 cu. in.
d. 1,920 cu. in.

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