Finding the nth term (aka the algebraic expression)

Find the value of the 100th term of each of the following sequences: (don't forget to do your work in boxes!)

1. 7, 9, 11, 13, 15...


2. 11, 14, 17, 20, 23,...


3. -1, 3,7, 11, 15,...


4. 3, 8, 13, 18,...


5. 15, 24, 33, 42, ...


6. -2, 6, 14, 22, 30,...


7. 15, 22, 29, 36, 43,...


8. -6, 0, 6, 12, 18, 24, ...


9. 13, 23, 33, 43, 53, ...


10. 7, 18, 29, 40, ...