Solve using Cramer's rule.-3x -  5y +  8z =  14-9x +  2y +  3z =   9 6x -  8y +  3z =  -6

A. (1, -3, -4)
B. (1, 3, 4)
C. (2, 1, 4)
D. (3, 4, 3)


Answer: B

Mathematics

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Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.x2 + 12x + 20 ? 0

A. (-?, 2] ? [10, ?)

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-410

C. (-?, -2] ? [10, ?)

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Find the eccentricity of the hyperbola.8x2 - 9y2 = 72

A.
B.
C.
D.

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