I believe it would be negative 9 because your subtracting by twelve again. I hope that helped
Answer:
Ratio between balances will be:

Where;
x = deposit
%i = interest rate annual
n = years
Step-by-step explanation:
Lets say first deposit is x$ for both investment and annual interest rate for both investment are %i. Also, they stayed under i interest in n years:
Total balance for simple interest is:

How ever total balance for compound interest is:

Answer:-80
Step-by-step explanation:f(x)=2*2+4*-10
Answer:

Step-by-step explanation:
(a + b) * (
) =
= 