Volume of the solid- please help!!

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?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Use circumcenter theorem to solve for the given values