B. On a separate sheet of paper, evaluate the following expressions.
1. 7 x 9-3 + 8
2.4 x 15 + 8-9 + 25
3. 18 - 12 = 6 + 7
4.9 x 9 = 3-9 + 6
5. 16 = 4 x 5 - 7 + 8​