In august, the simons' water bill was $48. in september, it was
15% lower. what was the simons' water bill in september?

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?