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 : 
The answer is x= -6/7<span><span></span></span>
Answer:
From India
4.5×10⁵
standard form is written above
I can help with the formula just do the math on a calculator you multiply length x width x height