Simplify the rational expression.
A. 
B. 
C. - 
D. 
Answer: C
Mathematics
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Solve the equation.
tan(?) + 1 = 0 for -360° ? ? ? 360°
A. {-150°, -30°, 30°, 150°} B. {-330°, -150°, 30°, 210°} C. {-30°, -210°, 150°, 330°} D. {30°, 150°, 210°, 330°}
Mathematics
Write as a decimal.30.9%
A. 0.199 B. 3.09 C. 0.0309 D. 0.309
Mathematics
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
Mathematics
Differentiate.
Mathematics