Add.(3a4 + 4a3) + (7a4 - 9a3)
A. 5a7
B. 10a8 - 5a6
C. 10a4 - 5a3
D. 5a14
Answer: C
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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.)In this voting system,
A. P3 and P4 have the same power. B. P3 has twice as much power as P4. C. P3 has four times as much power as P5. D. P3 has three times as much power as P4. E. none of these
Solve the problem.Suppose that one out of every five federal tax returns which are submitted has an error. Out of 10,000 submitted returns, find the probability that there are at most 2000 with an error.
A. approximately 0.25 B. approximately 0.95 C. approximately 0.5 D. approximately 0.025 E. approximately 0.75
Solve the inequality.
< 0
A. (-7, -4) or (2, 10) B. (-?, -4) or (-7, 10) C. (-7, -4) or (2, ?) D. (-4, 2) or (10, ?)
Solve and graph. Write the answer in set-builder notation.x - 
> - 
A. 
B. 
C. 
D. 
