Answer:
12 years
Step-by-step explanation:
Simple interest formula:
where
I = interest,
P = principal,
r = rate (as decimal),
t = time
In your case,
P = $616
I = $1,007.78 - $616 = $391.78
r = 0.053
t - unknown, so
A, just divide by 4 and youll get your solution.
X1,2 = + 5.292 i think but i cant see the awsner choice
The answer is k = 0 and for some reason this has to be 20 characters
8^2 + 13^2 = c^2
64 + 169 = c^2
233 = c^2
15.26 = c
your answer would be A. 15.3
hope that helped