Reduce the rational expression to lowest terms.
A. 
B. 7x2 - 60
C. 7x - 9
D. 
Answer: C
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Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.4 in.; d = 10.0 in. B. w = 5.4 in.; d = 10.0 in. C. w = 6.4 in.; d = 9.0 in. D. w = 7.4 in.; d = 8.0 in.
Provide an appropriate response.Factor the special product: 16y2 - 1
A. (4y + 1)(4y - 1)
B. 
2
C. (8y + 1)(8y - 1)
D. (4y - 1)(4y - 1)
The table shows points that all lie on the same line. Find the slope-intercept form for the line.
A. y = 
x - 1
B. y = - 
x - 1
C. y = 6x - 1
D. y = 
x + 1
Find the area of the rectangle.
11 cm
A. 116 sq cm B. 121 sq cm C. 242 sq cm D. 44 sq cm