What’s the correct answer for this?

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?