Simplify.
A. 
B. 
C. 
D. none of these
Answer: A
Mathematics
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Find an equation of the line in general form that passes through the point (-6, 6) and is parallel to the line 
.
?
A. 
B. 
C. 
D. ?
E. ?
Mathematics
Perform the indicated operation.Add.7a4 - 3a3
A. 10a4 + 5a3 B. 10a8 + 5a6 C. 15a14 D. 15a7
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Solve.A cube has a surface area of 6x2 + 108x + 486. Find the length of a side.
A. x - 9 B. x + 9 C. x + 54 D. 6(x + 9)
Mathematics
Solve the problem.The blade of a windshield wiper sweeps out an angle of 135° in one cycle. The base of the blade is 12 inches from the pivot point and the tip is 32 inches from the pivot point. What area does the wiper cover in one cycle? (Round to the nearest 0.1 square inch.)
A. 1105.3 in2 B. 948.3 in2 C. 1036.7 in2 D. 1041.8 in2
Mathematics