What is the coefficient for the term whose variable is y^2 in the expression 3xy^2 + 2y - 4y^2?

1. -4
2. 2
3. 3
4. 4

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar.what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways