Select the correct answer.

The perimeter of a rectangle is 42 inches. If the width of the rectangle is 6 inches, what is the length?

A.

12 inches

B.

15 inches

C.

21 inches

D. 40 inches

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If y varies directly as x, and y is 48 when x is 6, Give an expression can be used to find the value of y when x is 2?

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