Acircle has a circumference of x feet and an area of y square feet. if x=2y, what is the radius of the circle

x=2y is linear and can also be writtend as y=x/2

Formula: circumference = 2πr

Formula: Area = πr²

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Given circumference = x and area = y and x = 2y

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2πr = 2πr²

Divide by 2πr on both sides:

r = 1

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r = 1

last one.

step-by-step explanation:

last one.

generally speaking, the others follow some sort of pattern that correlates to either linear (looks like a straight line) or sinusoidal (looks like an s).

the last one is just a random cloud of points that doesn't correlate to any particular known order.