Solve the problem.Find the range and the standard deviation of the following prices of notebook computers: 
A. Range = $250; standard deviation = $118.38
B. Range = $275; standard deviation = $116.17
C. Range = $275; standard deviation = $137.50
D. Range = $116.17; standard deviation = $275
Answer: B
Mathematics
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A. 
B. 
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Factor completely.169s2 - 25t4
A. (13s + 5t2)2 B. (13s + 5t2)(13s - 5t2) C. (13s - 5t2)2 D. (169s + t2)(s - 25t2)
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at 
A. 
B. 
C. 
D. 
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Use ?, ?, ?, or both ? and ? to make a true statement.{x | x ? N and x > 8} 
{x | x ? N and 3 < x ? 8}
A. ? B. ? C. ? and ? D. ?
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