6. The width, w, of a rectangular rug is 4 less than its length, L .If the perimeter of the rug is 120 square feet, which equation could be used to
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6. The width, w, of a rectangular rug is 4 less than its length, L . If the perimeter of the rug is 120

square feet, which equation could be used to find the dimensions of the rug?

A. L(4-L) = 120

B. L(L-4) = 120

C. 2(L-4) + 2L = 120

D. 2(4-L) + 2L = 120

7. If x = 2 and y = -3, what is the value of 2x2 + 3xy - 2y2?

A. -28

B. -2

C. 8

D. 16

17. If 3x - 4y = 9, then x equals

A.3-4y

B.9-4y

C. 9+4y/3

D. 9-4y/3

22. Graph the line with the slope ½ and y-intercept 3.

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