pls help
10. Simplify 4 ×5 – 32 × 2 ÷ 6
11. Simplify −2(−9 + 3)
15. Solve -a/13 =18
18. Solve 7 = 5x 3(x – 2) 5
19. Solve 11w 2(3w - 1) = 15 w
21. If U = {natural numbers less than
20} and N = {factors of 18}, what is
N'
22. Solve and graph 17 – 2a ≤ 29
23. Solve and graph 12c + 6 > 9c – 15