Question

HELP!!! ALGEBRA2 NEED THIS DONE TO HELP FINISH THE CLASS TONIGHT...

7. whats the sum of a 30 term arithmitic sequence where the first number is 71 and the last numbers 201

8. sum of arithmitic sequence that has 22 terms and starts with 6,14,22

9.sum of arithmitic sequence that starts with 136,134,112 and has 36 terms
10. sum of arithmitic sequence starts wtih 174,168,162 and has 37 terms

11. whats the 7th term of the geometric sequence 1,-4,16

12. whats the 10th term of the geometric sequence 4,12,36

13. 7th term of the geometric sequence where a1=-4 and a5=-1,024

14. 7th

Answer 1

http://answers.yahoo.com/question/index?qid=20110620134242AAfn6GV

Answer 2

thanks

Answer 3

ur welcome nd good luck