A.
1. D
2. C
3. B
4. A
5. F
B
1. 13, 16, 19
Rule: 3n-2
2. 26, 31, 36
Rule: 5n+1
3. 11, 13, 15
Rule: 2n+1
4. 16, 25, 36
Rule: n^2
D.
1. 12th term
2. 12, 15
