Solve the problem.Find the center of mass of the solid enclosed between the cone with equation 
and the plane with equation 
if the density at any point is proportional to the distance from that point to the plane 
.
A. (
, 
, 
) = 
B. (
, 
, 
) = 
C. (
, 
, 
) = 
D. (
, 
, 
) = 
Answer: A
Mathematics
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Perform the indicated operation and simplify. Write the answer in the form a + bi.
? 
A. -
i
B. 
C. -
D. 
i
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Add or subtract as indicated and write the result in standard form.(-4 - 5i) + (3 - 3i) + (-2 - 3i)
A. -1 - 8i B. 1 - 5i C. -3 - 11i D. -9 - 5i
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Solve.x - 2y + 3z = 7y + 2z = 0 z = -4
A. (35 , 8, -4) B. (-33 , -7, -4) C. (33 , 7, -4) D. (-35 , -8, -4)
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Match the function to its graph.y = tan 
A. 
B. 
C. 
D. 
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