If you clean and you make $12.50 an hour 8am to 8pm how much money do you earn

150$

Step-by-step explanation:

If you take your total time (12 hours) and multiply it by the amount of money you make each hour, that makes $150$, here is the equation;

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb