Evaluate the determinant.
A. -81
B. 39
C. -60
D. 60
Answer: C
Mathematics
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Refer to the weighted voting system 
and the Banzhaf definition of power. (The five players will be called P1, P2, P3, P4, and P5.)The number of coalitions having exactly three players is
A. 20 B. 5 C. 10 D. 1 E. none of these
Mathematics
Simplify.|16|
A. 32 B. 16 C. 0 D. -16
Mathematics
Find the greatest common factor of the monomials.x6y4, x7y2, and x8y3
A. x6y3 B. x2y6 C. xy D. x6y2
Mathematics
Solve the equation.
- x = 6
A. ? B. {-7} C. {-7, -3} D. {-3}
Mathematics