Using long division what is 753÷25?

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

Which expression is equivalent to sq-80

Solve the system of equations y= 3/2 - 1, -x+ y =-3