What is the value of √23

What is the inverse of the function f(x)=4x+8

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.)

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account