PLZ HELP HURRY!Solve the Triangle. Round the lengths of sides to the nearest tenth and angles to the nearest degree.

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! ❤

How is working backward similar to solving an equation?

Which of the following graphs could represent a cubic function?