What is the following sum? 4(5√x^2 y) +3(5√x^2 y)

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

If m 17 27 90 63 ** picture is attached

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39