M-4=2m what does m equal. (not required to 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.)

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

Solve the equation for b: a= (1/2)(b)(h)