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, P3, P4}?
A. P1 only
B. P1 and P3 only
C. None of the players
D. All three players
E. none of these
Answer: D
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Simplify. (Assume all variables are nonzero.)
2
A. 
B. 
C. 
D. 
Solve the problem. Use 3.14 for ?. Round your answer to the nearest hundredth.Glenda wants to glue glitter over a piece of felt shaped like a parallelogram with a height of 32 in. and a base of 54 in. If the glitter costs $0.90 per ft2, how much will it cost to cover the felt?
A. $1555.2 B. $43.20 C. $10.80 D. $129.60
If 
, find 
and 
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?
A. 
B. 
C. 
D. 
E. 
Compute the determinant of the matrix. If the determinant is nonzero, use the formula for inverting a 
matrix to calculate the inverse of the given matrix.
?
?
A. -5; 
B. -10; 
C. 5; 
D. -4; 
E. -10; 