Evaluate the exponential expression.
4
A. 1
B. 
C. 51
D. 
Answer: B
Mathematics
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Write the percent as a fraction or mixed number in simplest form. 12.5%
A. 
B. 
C. 
D. 
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 
B. 
C. 
D. 1
Mathematics
Find the area.
A. 1144 ft2 B. 572 ft2 C. 416 ft2 D. 338 ft2
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