Next term, number of terms, nth term
1. Find the next term: 2, 5, 8, 11, ___
2. How many terms are in: 3, 7, 11, … , 59?
3. Find the nth term of: 4, 9, 14, 19, …
4. Find the 20th term of: 3, 6, 9, 12, …
5. Find the next term: 81, 27, 9, 3, ___
6. How many terms are in: 5, 10, 15, … , 100?