Hi!! i need this done by tonight:) is this right

What is the reflection image of (5,-3) across the line y = -x?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Icould really use some with this question.