You are going to use an incline plane to lift a heavy object to the top of a shelving unit with a height of 7ft. The base of the incline plane is 13ft from the shelving unit. What is the length of the incline​ plane?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Use the distributive property -7(-2x+u-2)

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5