HELP PLZZZZZZZZZZZZZ!!!!!!!!!!!!!

The table shows the amount of money angelica earned based on the number of hours she worked.
Angelica's pay

Hours worked(h) Amount earned(A)
3 $22.50
8 $60.00
15 $112.50

Why equation best represents Angelica's pay

A=7.50h
A=22.50h
A=h+7.50
A= h+22.50