Perform the indicated operation. Write your result in a + bi form.
A. 
+ 
i
B. - 
- 
i
C. - 
- 
i
D. 
+ 
i
Answer: A
Mathematics
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Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3, and P4.)The Banzhaf power distribution of the weighted voting system is
A. P1: 70%; P2: 10%; P3: 10%; P4: 10%.
B. P1: 40%; P2: 20%; P3: 20%; P4: 20%.
C. P1: 60%; P2: 20%; P3: 10%; P4: 10%.
D. P1: 75%; P2: 8
%; P3: 8
%; P4: 8
%.
E. none of these
Mathematics
Graph the function.f(x) = 2ex
A. 
B. 
C. 
D. 
Mathematics
Use the statistical display to answer the question.The midterm test scores for the seventh-period typing class are shown below on a dot plot. 
What are the low and high scores?
A. 69; 98 B. 56; 89 C. 50; 100 D. 56; 98
Mathematics
Find the sum, if it exists.0.27 + 0.0027 + 0.000027 + . . .
A. 
B. 
C. 
D. Does not exist
Mathematics