4 cups equals to 16 cups becuase 1 quart equals 4 cups
The answer for the second one is 0.
The measure of an interior angle of a regular pentagon is 108 degrees.
Is this a question on your test or something? I know trying out every number and letter would be difficult. There is a way to solve these types of problems. Ask your math teacher, or someone that knows this or has taught this.