Answer:
f(x)=ax2+bx+c
Step-by-step explanation:
Your answer is 7^(- 2) or

or
Answer:
$360
Step-by-step explanation:
If the company charges $30 for $500 in one month.
The interest they will be changing for a year = 30*12 = $360 interest.
It's just simple, multipling the the interest value by 12 to get it's annual interest value.
Answer:
A and B
Step-by-step explanation: