Rewrite the expression as a simplified expression containing one term.cos 
cos 
- sin 
sin 
A. 
B. 
C. 
D. - 
Answer: D
Mathematics
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Sketch the curve.y2 + 4x = 20
A. 
B. 
C. 
D. 
Mathematics
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 25
B. 100
C. 50
D. 
Mathematics
Add. Write the answer in lowest terms as a mixed number.
A. 18
B. 28
C. 29
D. 30
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