Question

I need to know the answers to them

Answer 1

9. P2 with a tiny 2
10. 18-x
11. K-4
12. Z+12 or 12+X
13. 82g or 82xG
14. N-7
15. 32/X
16. H+7
17. C-31
18. T5 with a little 5
19. R-(7/8)
20. 12T or 12xT or Tx12
21.200n or 200xN or Nx200
Hope that helps