Answer:
imma say 45m
Step-by-step explanation:
im not sure but tell me if im wrong so i can fix it. thanks
we know that
The formula of simple interest is equal to

In this problem
we have
I=$170
P=$8,500
r=4%=4/100=0.04
t=?
substitute given values in the formula

therefore
0.5 years=6 months
<h2>The answer is 6 months</h2>
The answer is D.
explain:
A^2 + b^2 = c^2
A' = (-2, 1)
B' = (1, 0)
C' = (-1, 0)