2x-2y=-4 and x+y=8. solve the system of equations, and show work,

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5