Question

Please help a.s.a.p
Show your work

Answer 1

1. 5x3+2=17+3=20 so for the first one the missing number is 3
2. 13+11+7=31+31=62 so the second one the missing number is 31
3. 23+19+17=59+59=118

Answer 2

3+5+2×2

11+7+13×2

19+23+17×2