Apolygon has a perimeter of 36 inches. each side of the polygon is exactly 12 inches long. what is the name of the polygon that is described?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17

What is the result of the following division?