Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?A health researcher randomly selected 500 high school students from the city of Oak Grove. In a private interview the researcher asked the students whether they had ever used drugs. She concluded that only 8% of the high school students of Oak Grove have ever used drugs.
A. The source of the study
B. The setting may discourage honest responses
C. The wording of the question
D. Participation bias
E. Selection bias
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Predict the general, or nth term, an, of the sequence.-3, 9, -27, 81, . . .
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Use the vertical line test to determine if y is a function of x.
A. Not a function B. Function
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Solve the problem.Find the area of the shaded region. Express the answer in terms of ?. 
A. 
square units
B. 
? square units
C. 
? square units
D. 1? square units
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