E is directly proportional to f when e is 2 f is 8 find an equation for e in terms of f​

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.

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start