What’s the answer I need help

If 1 km = 0.621 miles, how many miles are in a centimeter

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 measure of the smallest angle in the diagram? 15 29 32 45