Answer:
Her friend got the better deal.
Step-by-step explanation:
For Jillians equation look at
$22.56/4 = $6.39 per CD
For her friends equation look at
$18.45/3 = $6.15 per CD
Jillian's friend got the better deal because she paid less per CD as shown in the equations above.
Answer:

Step-by-step explanation:
let me know if you want an explanation
Answer:
The y-intercept is (0, 3)
<em>they typed the equation wrong so that's why it's (0, 3)</em>
Answer:
.5 inches a month
Step-by-step explanation:
52 - 43 = 9 inches
9/18 = .5
Answer:
200
Step-by-step explanation:
Multiplying both sides by 100 and dividing both sides by 75,we have x = 150 ×
100/75
x = 200