Determine the specific solutions (if any) to the equation on the interval [0, 2?).tan2 ? sin ? = tan2 ?
A. 0, ?
B. 0, 
C. 
, ?
D. 
, 2?
Answer: A
Mathematics
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Determine whether the source of error represents random or systematic error.A survey is conducted on smoking amongst teenagers. When questioned by adults, teenagers tend to underreport how much they smoke.
A. Systematic error B. Random error
Mathematics
Graph the line.2x - y - 9 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 1100 people were afflicted with the disease in 2010, estimate the number of new cases in 2015. (Round to the nearest whole number, if necessary.)
A. 17 new cases B. 69 new cases C. 138 new cases D. 34 new cases
Mathematics
Find all complex-number solutions.
- 
= 8
A. 
B. 
C. 
D. 
Mathematics