Answer:
Following are the answer to this question:
1) totalCalories= pizzaCalories(pizzaDiameter); \\defining a variable totalCalories that holds method return value.
2) caloriesPerSlice = totalCalories/pizzaSlices(pizzaDiameter); \\defining a variable caloriesPerSlice that divides totalCalories by the method "pizzaSlices" return value.
Explanation:
Following are the description of the above code: