For 2 months in a row i made the same amount working. i deposited my money into my bank account that had $80.50 ,i now have $450.50 in my account how much money did i make each month working?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

What is the slope of the line that contains the points (-2,1) and (0,-3)

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?