The ratio of the number of adults to the number of children at a restaurant is 3: 7. Identify the choice(s) below that represent an equivalent ratio.
A 15:35
B 6:14
C 21:9
D 8:12
E 30 : 70

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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?

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?