Which relation is a function?   a. (–8, –3), (–1, –5), (–8, –2)   b. (1, –3), (5, –3), (–3, 7)   c. (–3, 0), (5, 9), (–3, 2)   d. (1, 2), (1, 1), (0, 1)

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 is the absolute value of the complex number -4-sqrt2i

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i