Find the standard deviation.The management of an amusement park wanted to determine the amount of waiting time for the park's oldest roller coaster. The following data represents a random sample of waiting times in minutes (rounded to the nearest minute): 14 7 11 15 17 7 7 11 13What is the standard deviation? Round your answer to one decimal place.
A. 3.5 min
B. 1.4 min
C. 4.0 min
D. 3.7 min
Answer: D
Mathematics
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A. 9
B. 9
C. 9
D. 9
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Without using a calculator, determine whether the first number is divisible by the second number.Is 85,104,901 divisible by 11?
A. Yes B. No
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Solve by using the quadratic formula.
d + 1 + 
d2 = 0
A. 9 ± 
B. 9 ± 
C. -9 ± 
D. -9 ± 
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Translate the sentence to an algebraic inequality.John weighs at least 69 pounds.
A. x ? 69 B. x < 69 C. x ? 69 D. x > 69
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