ASAP ╚(•⌂•)╝ math help

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]

Measure of angles 31 (x+4) (3x+9) me

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?