Question

8.
The sum of first 9 terms of an arithmetic sequence is 90.
a. What is its 5 th term?
b. Write three arithmetic sequence with 90 as the sum of first 9 term
(answer only based arithmetic sequence)​

Answer 1

Step-by-step explanation:

The sum of first 9 terms of an arithmetic sequence is 90.

a. What is its 5 th term?

b. Write three arithmetic sequence with 90 as the sum of first 9 term

(answer only based arithmetic sequence)