C. Arrange from the least to the greatest or ascending order.
11. -3.-5.-7
12. -8, +6,0
13. -2. +2. +5,0
14. -12.-15. +20. +18.30
15. -3. +3, +4.-7.-9. +6
16. +6, +5, +7 +2 =
17. +6,0.-6. +12 =
18. +8, -3,0 +10.-1 =
19. +9.-3.-12 +10.-2 =
20. -7, +5,-3, +4,-8 =