Tell which variable you would choose to eliminate when solving the system by elimination. Then solve the system by elimination. 2x+y=−5 Equation 1

−2x+y=8 Equation 2

Which expression is not a polynomial?

Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?