Question

Help Please! I'm sorry if its a lot of work.

Answer 1

For 20, your answer is 10.

For 21, y = 21

For 22, w = - 2/9

For 23, x = - 12

Answer 2

20. d= 10
21. d= y= 21
22. b=w= -2/9
23. a = -12