Which expression has the same value as )? a -8 4 b -8 (-4) c 8 (-4) d 4 - (-8)

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]

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?