HELP ASAP!!

Which equation represents a line which is parallel to the line y = -23 - 1?

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?

Nine more than four times a number is the same as one less than twice the number. find the number?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .