20: the figure is a net of a rectangular prism with a length of 14 yards, a width of 12 yards, and a height of 4 yards.
a- 180 square yards
b- 672 square yards
c- 600 square yards
d- 544 square yards
21: a cylindrical water tower is 24 feet high and has a diameter of 20 feet. approximately how many cubic feet of water could the tower hold?
a- 2,400 cubic feet
b- 7,500 cubic feet
c- 9,600cubic feet
d- 30,200 cubic feet
