Find the least common denominator for the expression.
+ 
A. x( x + 2)( x - 2)
B. x( x - 2)
C. ( x2 + 2)( x2 - 2)
D. x( x + 2)
Answer: A
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Find the length of the curve.x = t3, y = 2t2, 0 ? t ? 1
A. 
B. 
C. 
D. 
Solve the problem.Four accounting majors, two economics majors, and three marketing majors have interviewed for five different positions with a large company. Find the number of different ways that five of these people could be hired if the first position is to be filled by an accounting major, the second position is to be filled by an economics major, the third position is to be filled by a marketing major, and the last two positions can be filled by any major.
A. 720 B. 48 C. 2,160 D. 4,320
Determine whether the graph can be traced. 
A. No B. Yes
Evaluate or simplify the exponential expression.-104
A. 40 B. 10,000 C. -10,000 D. -40