#1.6 again

if you did not finish this from the other evening b/c you did not understand it, please be sure you complete it tonight

EXTRA SPICY NTH TERM PRACTICE PROBLEMS
Find the value of the 50th term of the following sequences:
1. 2, 9, 20, 35, 54, 77
2. 0, 3, 8, 15, 24, 35
3. 4, 10, 18, 28, 40, 54
4. 6, 21, 40, 63, 90, 121
5. -3, 8, 25, 48, 77, 112
6. 6, 25, 56, 99, 154, 221
7. 5, 40/3, 77/3, 42, 187/3
8. -10, -6, 0, 8, 18
9. 3, 1, 0,0, 1, 3, 6

Find the next term:
10. 4, -8, 16, -32, 64
11. 18, -3, -6, 1/2, -12, -1/24

Find the sum of the:

12. first 90 even integers.
13. first 85 odd integers.
14. 150 consecutive integers.
15. 55 + 56+ 57+...+240=?
16. 66+68+70+...+248=?
17. 71+73+75+...+153=?
18. 1+2+3+...+917=?
19. 555+556+557+...+900=?
20. 1+3+5+...+559=?
21. 333+335+337+...763=?
22. 2+4+6+...+1672=?
23. 444+446+448+...+888=?

You MUST either:

post a question
post an answer

for credit this evening (this means you should probably have a display name that shows your first initial and last name) No full names please. Too many wackos out there.
Have fun!