Airpods originally cost $120. after a discount the AirPods cost $84, what is the percent decrease for the AirPods

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

What is the measure of one interior angle of a pentagon

Which two undefined geometric terms always describe figures with no beginning or end?