Find the requested sum of the arithmetic sequence.
A. -31
B. 4
C. - 13
D. -14
Answer: C
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Evaluate the function at the given value of x.f(x) = 
, f(-2)
A. -3 B. 0 C. 1 D. 3
Write the expression in standard form.
A. 3 - 1i
B. 
+ 
i
C. - 3 - 1i
D. - 
+ 
i
The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. 
$50,000 and over
A. 0.28 B. 0.24 C. 0.22 D. 0.25
Convert the rectangular coordinates to polar coordinates with ? in degree measure, –180°
< ? ? 180° and r ? 0. (14, –28)