Solve the problem.Find the moment of inertia about the z-axis of a thick-walled right circular cylinder bounded on the inside by the cylinder r = 1, on the outside by the cylinder r = 5, and on the top and bottom by the planes 
A. 624?
B. 1250?
C. 2496?
D. 1248?
Answer: D
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Use the properties of the trigonometric functions to find the exact value of the expression. Do not use a calculator.cos 65° sec 65°
A. -1 B. 0 C. 1 D. 65
Multiply.-11(0)(-8)(6)
A. 11 B. 1 C. -11 D. 0
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
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 3; zeros: -2 and 3 + i.
A. f(x) = x3 - 4x2 - 10x + 20 B. f(x) = x3 - 4x2 - 2x + 20 C. f(x) = x3 - 6x2 - 10x + 20 D. f(x) = x3 - 8x2 + 2x + 20