On the coordinate plane, draw triangle ABC with vertices A(-3,3), B(-3,-3), C(1,-3). Find the area of the triangle in square units.

A:10 square units

B:48 square units

C:12 square units

D:24 square units

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?