What is 1 divided by3/4

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.)

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Iam at home. /: i am playing video games. translate the following statement into symbolic form.