A scientist studies an object that takes 5 minutes to travel one foot. The scientist wants to write this rate in miles per hour. Explain how the scientist could find the object's rate in miles per hour. Then find this rate. Note that 1 mile is 5,280 feet.
The rate is (x) mile(s) per hour.
(Type an integer or a simplified fraction.)

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.