Evaluate the factorial expression.

A.
B.
C. 2! 
D. 42 


Answer: B

Mathematics

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Answer the question.What is the domain of the function y =  x?

A. x < 0 B. y ? 0 C. All real numbers D. x ? 0

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For the region R, find the horizontal line y = k that divides R into two subregions of equal area.R is the region bounded by y = 8 - x, the x-axis, and the y-axis.

A. k = 8 - 
B. k = 8 + 4
C. k = 8 - 4
D. k = 1 - 4

Mathematics

Find the net cost. Round to the nearest cent.$179.40 less 20/20/20

A. $91.85 B. $119.40 C. $107.64 D. $71.76

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Solve the rational inequality. > 

A. (-43, -1) ? (-1, 6) B. (-43, -1) ? (6, ?) C. (-?, -43) ? (-1, 6) D. (-?, -43) ? (6, ?)

Mathematics