Answer:
y = -248
Step-by-step explanation:
Hi there!
Set up a proportion:

Cross-multiply:

I hope this helps!
This question is asking "Where does cosine equal

?"
Based on our unit circle values and the domain of the cos^{-1} function, we see that at 30 degrees, or

, cosine is equal to

.
Answer:
You and your friend both get 3/16 of the bag.
Step-by-step explanation:
3/8 divided by 2 friends
3/8 / 2 = 3/16