For the following geometric sequence, find the recursive formula. {-80, 20, -5, }

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?

Can someone tell me if these are correct?