A hamster runs in its wheel whose radius is 3 inches. The wheel completes 6.3 revolutions in 5 seconds. What is the linear velocity of the hamster's wheel?

approximately 3.8 inches per second

approximately 7.6 inches per second

approximately 23.8 inches per second

approximately 66 inches per second

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.