Step-by-step explanation
An arithmetic sequence is an ordered set of numbers that have a common difference between each consecutive term,it is give by the expression:
so
Step 1
use the given data to find the arithmetic sequence
so
let
so
a) find the common difference
hence the common difference is 3
now, chec the first term and replace in the formula
Step 2
now, use the expression to find teh netx two terms
a)
b) fifth term
so, the answer is
I hope this helps you