Add or subtract as indicated and write the result in standard form.(5 - 6i) + (9 + 9i)
A. -4 + 15i
B. -14 - 3i
C. 14 - 3i
D. 14 + 3i
Answer: D
Mathematics
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Find the derivative of the function.s = sin 
- cos 
A. 
cos 
- 
sin 
B. - 
cos 
- 
sin 
C. cos 
+ sin 
D. 
cos 
+ 
sin 
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Solve the problem.Two weighted voting systems are equivalent if they have the same number of players and exactly the same winning coalitions. Which of the following weighted voting systems are equivalent to 
A. [6 : 3, 2, 1, 1] B. [9 : 5, 4, 3, 1] C. [8 : 4, 3, 2, 1] D. [7: 3, 2, 1, 1] E. [10 : 6, 5, 4, 2]
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Evaluate.(-12)2 - (-3)3
A. 171 B. -171 C. 117 D. -117
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Evaluate the expression.7 ? [4 + 7 ? (5 + 7)]
A. 920 B. 616 C. 924 D. 112
Mathematics