The ordered pair ( a, b) gives the location of point P on the coordinate plane. The value of b is negative. The value of a is not 0

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

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

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10