Evaluate the expression (–a) / (–b), for a = –18 and b = –3.
A) 6
B) –6
C) 54
D) –21
E) –54
A) 6
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Use the preference table to answer the question.The preference table shows the results of an election among three candidates, A, B, and C. 
(a) Using the plurality method, who is the winner?(b) The voters in the two columns on the right move their last-place candidates from last place to first place. Construct a new preference table for the election. Using the table and the plurality method, who is the winner?(c) Suppose that candidate A drops out of the new table, but the winner is still chosen by the plurality method. Is the independence-of-irrelevant-alternatives criterion satisfied?
A. C; A; yes B. A; C; yes C. C; C; yes D. A; A; yes
Test the equation for symmetry with respect to the given axis, line, or pole.r = 3 sin(3?); the line ? = 
A. May or may not be symmetric with respect to the line ? = 
B. Symmetric with respect to the line ? = 
Divide and write the answer in the form a + bi. Let z = 9 - 5i and w = 9 + 9i. Find 
.
A. 
- 
i
B. 
+ 
i
C. 
- 
i
D. 
- 
i
Write the decimal as a percent.0.1032
A. 10.32% B. 1.032% C. 103.2% D. 0.01032%