State which of the following ordered pairs is a function. set a: (-1, 0), (-2, 1), (4, 3), (3, 4)set b: (1, 4), (2, 3), (3, 2), (4, 1)set c: (2, 1), (3, 2), (2, 3), (1, 4)a. set ab. set bc. both set a and set bd. set c

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14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.