Find the probability.An IRS auditor randomly selects 3 tax returns (without replacement) from 47 returns of which 11 contain errors. What is the probability that she selects none of those containing errors?
A. 0.0102
B. 0.4403
C. 0.4494
D. 0.0128
Answer: B
Mathematics
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Find the area of a sector of a circle having radius r and central angle ?. If necessary, express the answer to the nearest tenth.r = 7.0 ft, ? = 
radians
A. 15.4 ft2 B. 51.3 ft2 C. 102.6 ft2 D. 7.3 ft2
Mathematics
Write an equation of the line.
A. y = 4x - 3
B. y = -4x - 3
C. y = 
x - 3
D. y = 4x
Mathematics
Simplify. Assume that no denominator is zero and 00 is not considered.-5n5 ? 3n8
A. -2n40 B. -15n13 C. -15n40 D. -2n13
Mathematics
Solve the problem.The owner of a video store has determined that the cost function, in dollars, of operating the store, is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $852 B. $636 C. $708 D. $492
Mathematics