Answer:
1. B
2. C
3. I think the answer is B
4. C
5. C
1.3,6,9,12,1518,21- 21 is the 7th term
2.0.6,0.12,0.18,0.24,0.30,0.36,0.42- 0.42 is the 7th term
3.8,15,22,29,36,43,50- I think 50 is the 7th term since the pattern is plus seven
4.10,20,30,40,50,60,70- well 70 is the 7th term here
5. 9,14,19,24,29,34,39-39 is the 7th term
just my opinion, free to correct me:)
