Identify the vertex of the parabola.y = x2 - 18x + 85

A. (4, 0)
B. (4, 9)
C. (0, 9)
D. (9, 4)

Answer: D

Mathematics

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C.
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Solve for x in the given interval.csc x = - 1, 3? ? x ? 4?

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B.
C. 3?
D. 4?

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Solve.Ming got a 19% raise in her salary from last year. This year she is earning $135,660. How much did she make last year?

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Add the polynomials. Express your answer in standard form.(14mn4 + 3m2n2 + n4) + (2m2n2 - 7n4 - 6mn4)

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