Please help hw is due in the next hour

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Ineed to know the answer to this algebra question.

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?