A letter tile is chosen at Random find the probability of not chosen the letter D

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! ❤

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5