What is the next number in the pattern 7,16,8,27,9?

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 angle 2=3x +1 and angle 3=2x +4what is angle 2

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9