Pls help this is hard

1. B

Change 3 1/2 to 3 3/6 and change 4 1/3 to 4 2/6.

Add 3³/6 and 4²/6 to get 7 5/6.

Subtract 7 5/6 from 10 to get 2 1/6.

2. C

Simply double the amount of water needed in the recipe for 2 people to get the amount of water needed for 4 people.

3. A

11/10 is equal to 1 1/10, not 2 1/10.

Step-by-step explanation:

a is adjacent, b is opposite, c is hypotenuse