Find the vertices of the hyperbola.16x2 - 25y2 + 128x - 150y - 369 = 0

A. (-4, 1) and (-4, -7)
B. (-9, -3) and (1, -3)
C. (4, 7) and (4, -1)
D. (-1, 3) and (9, 3)


Answer: B

Mathematics

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A. $960 B. $640 C. $80 D. $768

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Express the number in scientific notation.0.0000000431019

A. 4.31019 × 10-9 B. 4.31019 × 10-8 C. 4.31019 × 10-7 D. 4.31019 × 108

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Solve the inequality and graph. Express your answer in interval notation.-4(-2 - x) < 6x + 19 - 11 - 2x

A. (-?, 8)

B. ?

C. (-?, 0)

D. (-?, ?)

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Perform the indicated operation. Where possible, reduce the answer to its lowest terms. + 

A.
B.
C.
D.

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