Evaluate the factorial expression.

A. 1 
B. 8 
C.
D. 8! 


Answer: B

Mathematics

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Subtract the polynomials.(6x9 + 6x8 - 9x7 + 9) - (9x9 + 7x7 - 1)

A. 15x9 + 6x8 - 2x7 + 8 B. 15x9 + 6x8 - 2x7 + 10 C. -3x9 + 6x8 - 2x7 + 8 D. -3x9 + 6x8 - 16x7 + 10

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Write the system of equations in matrix form.

What will be an ideal response?

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Find an equation of the line with slope -2/3, containing the point (5, ?3) .

What will be an ideal response?

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Solve the problem. A function that might describe the entire Laffer curve is where y is the government revenue in hundreds of thousands of dollars from a tax of x percent, with the function valid for  Find the revenue from a tax rate of 50%. Round your answer to the nearest billion.

A. $963 billion B. $908 billion C. $838 billion D. $938 billion

Mathematics