Factor and simplify the algebraic expression.(x + 9)-1/3 - (x + 9)-2/3
A. (x + 9)-1/3 - (x + 9)-2/3
B. 
C. 
D. 
Answer: D
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Solve and graph. Write the solution in interval notation.3
+ 7 > 23
A. (-?, - 
) ? (
, ?)
B. (-?, - 
) ? (
, ?)
C. (
, ?) 
D. (
, ?)
Tell which set or sets each number belongs to: natural, whole, integer, rational, irrational, real.0
A. Real, whole, integer B. Real, rational, integer, whole, natural C. Real, rational, integer, whole D. Real, rational, integer, natural
Reduce the fraction to lowest terms.
A. 
B. 
C. 
D. 
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