Solve the problem.Find the moment of inertia Iz of a tetrahedron of constant density 
bounded by the coordinate planes and the plane 
.
A. 91
B. 
C. 
D. 
Answer: C
Mathematics
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Plot the point in the rectangular coordinate system.
A. 
B. 
C. 
D. 
Mathematics
The given point lies on the graph of the unit circle and corresponds to a real number t. Find the value of the indicated trigonometric function of t.
Find csc t.
A. 
B. - 
C. 
D. - 
Mathematics
Use Cramer's rule to solve the linear system.5x + 9y - z = 23 x + 6y - 4z = -144x + y + z = 23
A. (1, 6, 1) B. (5, -1, 6) C. (4, 1, 6) D. (4, -1, -6)
Mathematics
Factor.p6 - 64a6
A. (p2 - 4a2)(p4 + 4p2a2 + 16a4) B. (p + 2a)(p - 2a)(p4 + 4p2a2 + 16a4) C. (p + 2a)(p - 2a)(p2 + 2pa + 4a2)(p2 - 2pa + 4a2) D. (p3 + 8a3)(p3 - 8a3)
Mathematics