What is the answer to -4+4?

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.)

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?