Answer:
32
Step-by-step explanation:

Answer:
$ 8.72
Step-by-step explanation:
- How much does Joe make per hour now?
$8.15 + 7%·$8.15 =
= $8.15 + 7×8.15/100
= $8.15 + $57.05/100
= $8.15 + $0.57
= $ 8.72
A.) Mark is correct as every increase in x of 2 equals a y increase of 4