Solve the problem.Find the moment of inertia about the z-axis of a region of constant density ? enclosed by the paraboloid 
and the xy-plane.
A. 
??
B. 
??
C. 
??
D. 
??
Answer: B
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Use the preference table to answer the question.Computer Specialists is planning a group vacation to one of the following locations: Alaska (A), Florida (F), San Antonio (S), or Hawaii (H). The employees rank the four possible sites according to the following preference table. 
Determine the winner using the pairwise comparison method.
A. Florida & Hawaii (tie) B. Alaska & Hawaii (tie) C. Alaska & Florida (tie) D. Alaska
Indicate what must be done to each side of the equation in order to isolate the variable.3 = x - (-11)
A. Add 3 B. Subtract 3 C. Subtract -11 D. Add -11
Find approximate solutions of the equation.5.11x2 + 3.5x - 1.6 = 0
A. 0.31 or -0.31 B. 1.00 or -1.00 C. 1.00 or -0.31 D. 0.31 or -1.00
Evaluate the expression using the given values.
; x = 12, y = -5
A. 17
B. 13
C. 
D. 15