i need answer today plsss

Answer:
11. /
12. /
13. /
14. X
15. /
16. X
17. /
18. X
19. X
20. /
#KEEP ON LEARNING
11.✓
12.✓
13.✓
14.×
15.✓
16.×
17.×
18.✓
19.×
20.✓
Hope it helps!
Correct me if my answer is wrong:)
#CarryOnLearning