Answer:
<h2>
C) 4</h2>
Step-by-step explanation:
The nth term of arithmetic sequence is 
So:

Answer:
36 years
Step-by-step explanation:
Maria interest rates was to get 2% annual. Her interest rate do not change of 72. So you will have to divide 72 out of 2 which that will give you 36 . 36 years is your answer.
S=<span>πr + πre
s=r(</span>π+πe)
r=2/π(e+1)