Please help im taking a test please help if you can

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

In which of these cases are the two wave points considered to be in phase with each other?