Two students are debating about the 1st power. Alexis says 31 = 3 because anything to the 1st power doesn’t change, and James says 31 = 0 because anything to the 1st power is 0. Who’s correct?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x