Simplify.

A.
B.
C.
D.

Answer: C

Mathematics

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Solve the problem.Which of the following are not measures of central tendency: class mark, critical value, mean, median, midpoint, midrange, mode, range, standard deviation, z-score.

What will be an ideal response?

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Multiply.2

A. 121z² + 2z
B. 121z² + 2z +
C. z² - 2z + 121
D. 121z² - z -

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Provide an appropriate response.The revenue R for a product is given by R(x) = 2500x - x2 where x is the number of units sold. Is this function continuous for x = 20?

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Factor the perfect square trinomial completely.25x2 - 40xy + 16y2

A. (5x - 4y)(5x + 4y) B. (5x + 4y)2 C. (5x - 4y)2 D. (25x + y)(x + 16y)

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Mathematics