Question

The 8th term of a linear sequence is 18th and 12th term is 26.find the first term and the common difference and 2th term

Answer 1

a+7d = 18
a+11d = 26

Now you can find a and d, and any other terms.

Answer 2

what is the 8th term of 200 100 50 25

Answer 3

Good.