---> help pls!<---
What is -64.2 divided by 2?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?

If johnny ate 5 cans of sugar, but in the kitchen they only had 3. what did johnny eat? (he found a secret stash btw.)