What does a Symmetra graph looks like

Answer this question! 30 points and brainliest! only if you know the answer.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

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.)