I’m the worst at equations like these

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.)

What can you determine about the solutions of this system

The quadratic function h(t)=-16.1t^2+150 choose the graph representation