Solve the problem.Find the exact value of x in the figure.
A. 20
B. 20
C. 20
D. 20
Answer: C
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Use the information given about the angle ? to find the exact value of the indicated trigonometric function.sin ? = 
, 0 < ? < 
Find sin 
.
A. 
B. 
C. 
D. 
Find the quotient.22.5 ÷ 25
A. 19 B. 9 C. 1.9 D. 0.9
Determine whether the given values of x are solutions to the compound inequality. (Y/N).x + 4 ? -7 or x + 4 ? 7; x = -11, x = -3
A. No, Yes B. Yes, Yes C. Yes, No D. No, No
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