Translate each expression

"the difference of a number and 7."

What is the solution to the inequality

Pls! does anybody know a shortcut for answering these types of questions in the future?

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.)