Please Help with all questions

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! ❤

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Write the pair of fractions as a pair of fractions with a common denominator