Which set of ordered pairs represents a function? A (1,8). (8, 1), (1,5), (5, 1)
B (2, 1), (3, 1). (4.3). (5,3)
С (5, 1), (3, 3), (3, 7), (7, 1)
D (5, 1), (5,6), (1,3), (9,7)

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step-by-step explanation:

d = distance between moon and sun, which in this problem is the hypotenuse of a right triangle.  

the distance y is the side opposite to angle x in the right triangle.   use the definition of the sine function from basic trigonometry.

sin(x) = y/d ⇒

d = y/sin(x)

are you an artist's daughter? cuz dang you a fine piece of art, girl.

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