In the figure shown, line m is parallel to line AC. Ken states that x = a and y = c Explain why Ken is correct and use this to explain why a + b + c = 180.
(2 Points)

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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.)

X+y=-4 x-y=2 use elimination with adding and subtraction