Ineed , i attached a photo. graph y> 1-3x

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.