The graph shows the number of cubic feet of water used overtime at a waterpark that is open during the hours and the table. At this rate, how many cubic feet of water would be used at the waterpark on a Sunday? A. What is the unit rate and cubic feet per minute?
B. What is the unit rate and cubic feet per hour?
C. Write an equation for the number of cubic feet of water y using x hours, and use it to solve the problem.
D. How many cubic feet of water would be used at the waterpark on a Tuesday?

please help me.
no links or files
thank you!