Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.x3/8 ? x5/8
A. x
B. 
C. x15/64
D. x15/8
Answer: A
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Provide an appropriate response. Solve the following quadratic equation using any method: x2 - 8x + 16 = 0
A. x = 4, -4 B. x = 9.66, -1.66 C. x = 4, 4 D. x = -4, -4
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
Find three ordered pairs that are solutions of the given linear equation, and use them to graph the equation.y = 2x - 4
A. 
B. 
C. 
D. 
Evaluate the function as indicated. Round your answer to three decimal places.
A. 0.500 B. 0.667 C. 2.500 D. -0.667 E. -1.500