Step-by-step explanation:
In the recursive formula an = an−1 + 5

Suppose if a_5 is the nth term then previous term is a_4
To get the previous term we need to subtract 1 from the n
So a_n is the nth term
is the previous term
Here 5 represents the common difference between two terms
So value of previous term is represented by

Answer : 
Answer:
3
Step-by-step explanation
cause there are three rooms that need to be painted
Answer:
He bought 36 eggs
Step-by-step explanation:
3x12=36