53664 times 84 show work

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.)

(x-5)1/2+5=2 what is a possible solution?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if