Use the method of matrix inverses to solve the system. 

A. (10, -5, -5)
B. (12, -4, -4)
C. (12, -6, -6)
D. (11, -5, -5)
E. (10, -4, -4)

Answer: E

Mathematics

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For the compound inequality, give the solution set in both interval and graph forms.x ? 2 and x ? -3

A. (2, ?)

B. (-?, 2]

C. [2, ?)

D. (-?, -3]

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Mathematics

Factor when possible.36x2 - 49y2

A. (6x + 7y)2 B. (6x + 7y)(6x - 7y) C. (6x - 7y)2 D. Prime

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State the open intervals on which the function  is increasing, decreasing, or constant. ??

A. Increasing on 

Decreasing on 


B. Increasing on 

Decreasing on 


C. Increasing on 

Decreasing on 


D. Increasing on 

Decreasing on 


E. Increasing on 

Decreasing on 


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Mathematics

Estimate the answer by rounding as indicated.Estimate by rounding to the nearest hundred.

A. 1889 B. 1900 C. 1890 D. 1800

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Mathematics