The graph shows the number of cubic feet of water used over time at a water park that is open during the hours in the table.

Step-by-step explanation:

there is no graph included..?

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

10000

step-by-step explanation: divide by 2,