What is the x-intercept of the function graphed below?

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?

The surface area of the triangular prism is .

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab