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. 
$25,000 - $29,999
A. .13
B. .14
C. .09
D. .07
Answer: C
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Solve the problem.Suppose that the odds of winning the grand prize in a raffle are 1 to 7. What is the probability of winning the grand prize?
A. 
B. 
C. 
D. 
E. none of these
Solve.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 160 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 32 cubic inches.
A. 70 pounds per square inch
B. 56 pounds per square inch
C. 
pounds per square inch
D. 65 pounds per square inch
Convert to decimal notation.106
A. 100,000,000 B. 100,000 C. 1,000,000 D. 10,000,000
Evaluate the polynomial or polynomial function for the given value of the variable.f(x) = 3x3 - 9x2 - 2x + 1, f(-1)
A. -9 B. 7 C. -13 D. -7