Provide an appropriate response.
Add 3 sec. + 4.5 sec. + 5.85 sec. + 9.123 sec. and round to 3 significant digits.
A. 22 sec.
B. 22.4 sec.
C. 22.473 sec
D. 22.5 sec
Answer: D
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Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?"38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college. What is wrong with her survey?
A. Confounding variables B. Setting may not encourage honest responses C. Wording of question D. Selection bias E. Participation bias
Find the coordinates of all local extrema of the function.
?
?
A. 
,
, and
,
B. ,
, and,
C. ,, and,
D. ,
, and,
E. ,, and,
Simplify using the quotient rule, if possible.
A. z27
B. z
C. 
D. z14 - z13
Divide. 
A. 620 R7 B. 621 R2 C. 621 R3 D. 621