Question

**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 2x**^{2}** + 3xy - 2y**^{2}**?**

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.**