This is confusing. can someone explain ?

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees. (10 points)

Which is the completely factored from of xy^3-x^3y

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.)