What is the distance between points A and B?

Acylinder has volume 45π and radius 3. what is it’s height?

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.)

The product of 3 and a number increased by 8 is 31