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. 
$35,000 - $39,999
A. 0.09
B. 0.13
C. 0.11
D. 0.15
Answer: B
Mathematics
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A. 1
B. 0
C. 5
D. 
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Graph the equation by plotting points.y = x3 
A. 
B. 
C. 
D. 
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Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 39 watches B. 61 watches C. 40 watches D. 30 watches
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Simplify the complex rational expression.
A. 
B. 
C. x - 9
D. -9
Mathematics