The spoke of a wheel reaches from the center of the wheel to its rim. if the circumference of the rim of the wheel is 48 inches, how long is each spoke? use 3.14 for π, and round your answer to the nearest hundredth.
a. 7.64 inches
b. 12 inches
c. 15.29 inches
d. 8 inches

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.