Please HELP Geometry
Z1 and Z2 are a linear pair, mZ1 = x - 12, and mZ2 = x+88.
Find the measure of each angle.

I also need a step by step tutorial it would be extremely helpful! :(

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