Helppp

find the measure of the missing angles

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.)

Divide. write in the simplest form. 4 1/6 divided by 10

Express -5 2/5 as an improper fraction.