What are the coordinates of the point that is a reflection across the x-axis of the pond?

(7,2)

Step-by-step explanation:

(7,-2) are the original coordinates, so you flip it over the x-axis, or you can flip the sign of the y value in the pond coordinates to get over the x-axis.

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.