What is the value of 2(x+y)-(x-z) ifx=2, y=1, and z=-3

Two lines parallel to a third line are parallel to each other. always sometimes or never

What is the equation of the graph below? y=sec(x)-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.)