Arithmetic sequence 2,5... ^^Given the arithmetic sequence above, what are the next 3 values

A. 15,45,135
B. 11,20,32
C. 8,11,14

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?