PLEASE HELP FAST! will give brainiest Multiply:
1 0 1 x 1 -1
2 -1 3 x -1 2
3 4

What is the size of the resulting matrix?

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?