Perform the indicated operation.Subtract (3x - 30) from the sum of (-2x + 6) and (9x - 7).
A. 4x + 29
B. -4x - 29
C. 10x - 31
D. 8x + 43
Answer: A
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, 2, 3) for 7x2 + 4 ln xz + 2yz2 - 4ez = 0.
A. 1
B. - 3
C. - 1
D. - 
Mathematics
Carry out the indicated operation and give your answer with the specified number of significant digits.781 ÷ 0.00716; 3 significant digits
A. 109,078.212 B. 109,078 C. 109,100 D. 109,000
Mathematics
Use the standard normal curve table to find the closest z-score for the given condition.74.9% of the total area is to the left of z.
A. -0.67 B. 0.68 C. 0.67 D. 0.66
Mathematics
Find the vertices of the ellipse.4x2 + 5y2 + 16x - 30y + 41 = 0
A. (-2, 3 + 
) and (-2, 3 - 
)
B. (2, -3 + 
) and (2, -3 - 
)
C. (-2 + 
, 3) and (-2 - 
, 3)
D. (2 + 
, -3) and (2 - 
, -3)
Mathematics