Find symmetric equations of the normal line to the surface  at the point .
?

A.
B. ?
C. ?
D. ?
E. ?

Answer: A

Mathematics

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Perform the indicated operation.

A. 1 B. 65 C. Undefined D. 0

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Mathematics

Factor, if possible.18x4 + 63x3 - 36x2

A. 9x2(2x - 1)(x + 4) B. (18x2 - 9)(x2 + 4) C. 9x(2x + 1)(x - 4) D. x2(2x - 1)(9x + 36)

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Mathematics

Solve the problem.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 112 lb on earth weighs 22.4 lb on the Moon. How much would a 191-lb person weigh on the Moon?

A. 0.2 lb B. 38.2 lb C. 955 lb D. 325.4 lb

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Mathematics

Use synthetic division to find the quotient and the remainder.(3x4 - 9x3 + 2x2 - 6x) ÷ (x - 3)

A. Q(x) = (3x3 + x2 - x + 3); R(x) = 9 B. Q(x) = (3x3 + 2x); R(x) = 0 C. Q(x) = (3x3 - 2x); R(x) = 0 D. Q(x) = (3x2 + 2x); R(x) = 0

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Mathematics