Remember the exponential law that says

therefor

the answer is C
<span>1 Swiss franc=6.3367 Chinese yuan
1 Chinese yuan=1/6.3367=0.1578</span>
9.5, 72-15=57, 57 divided by 6=9.5
You are given the opposite side length and the hypotenuse, so use sine
choice a
Answer:
$16.5 per month
Step-by-step explanation:
$9 per month
$0.5 per song
15 songs downloaded
0.5 x 15 =$7.5
$9+$7.5=$16.5 per month