Find the mean for the given frequency distribution.

A. 27.9
B. 6.8
C. 23.3
D. 24.6


Answer: D

Mathematics

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Find the limit.

A. ? B. -? C. -1 D. 0

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Answer the question.True or False: The graph of the equation 6x - 10y = 20 goes through .

A. True B. False

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Find the exact value of the trigonometric expression without the use of a calculator.sin 285°

A.  
B.  
C. - 
D. - 

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Find the domain of the function.f(x) = ln (2x - x2)

A. (0, 2) B. [-2, 0) C. (-?, 2] D. (-2, 2)

Mathematics