Determine whether the Law of Sines or the Law of Cosines should be used to begin to solve the given triangle. Do not solve the triangle.
A. Law of Cosines
B. Law of Sines
Answer: B
Mathematics
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Find the indicated term for the sequence.an = (5n - 3)(3n + 1); a12
A. 2109 B. 1457 C. 1768 D. 2480
Mathematics
Multiply. Simplify and leave the numerator and denominator in your answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics
Use your graphing calculator to convert the complex number to trigonometric form. Round the angle to the nearest hundredth of a degree.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Identify the following as an experiment or an observational study.A researcher obtained a random sample of smokers aged between 60 and 70 and a random sample of nonsmokers aged between 60 and 70. She compared the rates of arthritis for the smokers and for the nonsmokers.
A. Experiment B. Observational study
Mathematics