Plz

you park in a garage 3 floors
below ground level. then you get in the
elevator and go up 12 floors. write an
addition expression to represent this
situation. then find the sum.

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?