If PQRS is a parallelogram, what is the value of y?

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]

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The surface area of the triangular prism is .