Is 4x+12 the same as 4x+12+0

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Find the missing dimension! need asap! tiny square is a =3025 in ²

Three consecutive integers have a sum of 234. what are the three integers