Each set of ordered pairs (x, y) represents a relationship with input, x, and output, y. Which relationship is a function?
{(0,1),(0,2), (0,3)
(1,1),(2,2), (3,3)}
[(1,1), (2,1),(3,1))
[(1,1),(2,2), (2,-2)]
|(1,-1), (2,-2), (3,-3)}

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

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