What is the length of RS?

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?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Jim had 15 minutes to do 5 laps around his school what would his time be