Question

PLEASE SOMEONE HELP!!!!

1. What is the 23rd term of the arithmetic sequence where a1 = 8 and a9 = 48 ?

2. What is the 41st term of the arithmetic sequence where a1 = 16 and a15 = –40 ?

Answer 1

\[a _{n}=a _{1}+(n-1)d\]

Answer 2

Use that to find the common difference which is d. Can you do that?

Answer 3

It is very difficult to help you unless you answer me.

Answer 4

in order to find the answer i ned the common ratio but i dont know how to find the common ratio