Which of the following equations does not represent a linear relationship between x and y A) y=4x

b) y=2x2 +5x

C) 5x = 3(y-2)

D) 6x-7y = 13
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What is the perimeter of a rectangle if the length is 5 and the width is x?

How do i i solve this equation? -18 = x/3 + 3

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units