If the measure of an angle is 13, find the measure of its supplement

An angle added with it's supplement is 180.

Knowing this: 180 - 13 = 167

It's supplement is 167

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

how much is coupon

step-by-step explanation: