Please help i have no idea what I'm doing​

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.)

Use the distributive law to multiply. 3(4x + 5y + 6)

If rt is greater than ba, which statement must be true ?