Find the length of the rectangle if x=10

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

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

What is the value of x in the equation7x+2y=48 when y=3