Find the indicated probability.An IRS auditor randomly selects 3 tax returns from 46 returns of which 7 contain errors. What is the probability that she selects none of those containing errors?
A. 0.602
B. 0.0035
C. 0.6094
D. 0.0023
Answer: A
Mathematics
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Solve the problem.Steve is 11% taller than Andy but proportioned in exactly the same way. If Andy is 70 inches tall, how tall is Steve?
A. 74 in. B. 81 in. C. 85 in. D. 78 in.
Mathematics
Use trigonometric identities to find the exact value.
A. -2
B. - 
C. - 
D. - 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find cos 
.
A. 
B. - 
C. 
D. - 
Mathematics
Write the improper fraction as a mixed or whole number.
A. 3
B. 5
C. 4
D. 4
Mathematics