Let U denote the set of all senators in Congress. Let
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 is
A. 120. B. 15. C. 31. D. 63. E. none of these
Mathematics
Add. Simplify, if possible.
+ 
A. 3m + 3
B. 
C. 
D. 
Mathematics
Solve the problem.A rescue cable attached to a helicopter weighs 2 lb/ft. A 160-lb man grabs the end of the rope and is pulled from the ocean into the helicopter. How much work is done in lifting the man if the helicopter is 30 ft above the water?
A. 6600 ft ? lb B. 1060 ft ? lb C. 4860 ft ? lb D. 5700 ft ? lb
Mathematics
Solve the system of nonlinear equations.x2 + y2 = 36x2 - y2 = 36
A. (6, 0), (-6, 0) B. (6, 0) C. (0, 6), (0, -6) D. (0, -6)
Mathematics