7. The length of a rectangular swimming pool is 28 feet and the perimete is 84 feet. What is the area of the swimming pool? *

#12 find the value of x. #13 find the value of the variable.

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.