Sam has already worked for hours this week. He washes cars, and can wash a car in hours.
Let the total hours worked be represented by h.
Let the number of cars washed be represented by c.
An equation that represents this scenario is:
= c + 1
h =
What is the total hours worked if he washes 4 cars?
Answer as a decimal.

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.