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 = 2, and on the top and bottom by the planes 
A. 30?
B. 60?
C. 15?
D. 32?
Answer: A
Mathematics
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Carry out the indicated unit conversion. Round your answer, if appropriate.Convert a distance of 48 feet into yards.
A. 19 yards B. 16 yards C. 32 yards D. 144 yards
Mathematics
Solve the problem.Four cards are numbered 1 through 4. Two of these cards are chosen at random without replacement and the numbers on them are multiplied. Find the expected value of this product.
A. 
B. 4
C. 6
D. 
Mathematics
Find the volume of the rectangular solid.Find the volume of a box with the following dimensions:length = 7 ft, depth = 4 ft, height = 6 ft
A. V = 168 ft3 B. V = 294 ft3 C. V = 112 ft3 D. V = 144 ft3
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 + 7x3 + 2x2 + 8x - 42; x + 7
A. Yes B. No
Mathematics