Question

write the first six terms of the arithmetic sequence with the first term a1 =90 , and common differnce, d=9​

Answer 1

Given a1 = 90
Common difference = adding
90 + 9 = 99, second term
99 + 9 = 108, third term
And keep doing that
You would get
90, 99, 108, 117, 126, 135