May someone please help me with this I need to show my awnser :)

What is the solution of sqrt x+2-15=-3

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.)

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?