Use a number line to solve 1/4 x 8 =

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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.)

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)