Write an equation, in simplest form, for the perimeter of the quadrilateral below if the perimeter is 77 feet. Solve for x,
(5x-9) ft
(2x + 3) ft
(21-x) ft
(x+13) ft

X+ y = k 2x + 3y = k + 1 the point of intersection of the lines has an x-coordinate of a.2k + 1 b.-2k + 1 c.2k - 1

Which value of c would make he following expression completely factored? 8x+cy

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?