X² – 2xy + y², x² + 2xy + y², 4x² – xy + y², x² – y²

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Jan accidently ran 7 minutes longer than he was supposed to. write an expression for the total amount of time jan ran if she was supposed to run m minutes