Simplify the rational expression. (Assume the denominator is nonzero.)
A. - 
B. - 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Write 
+ 
as a single iterated integral.
A. 
B. 
C. 
D. 
Mathematics
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3 and P4.)Which players are critical in the coalition {P1, P2, P3, P4}?
A. P1 only B. All of the players C. P1 and P2 only D. P1, P2 and P3 only E. None of the players
Mathematics
Solve the equation.x4 - 31x2 + 150 = 0
A. {25, 6}
B. {5, 
}
C. {-5, 5, -i
, i
}
D. {-5, 5, -
, 
}
Mathematics
Find the real solutions of the equation.x2 + 5x - 
= 12
A. {25, -25}
B. {5}
C. {3}
D. {
, 
}
Mathematics