Use the distributive property to factor the expression below.

-15x2y2 + 25xy2

A. - 5xy2 (3x - 5)

B. - 5xy (3x + 5y)

C. - 5xy (3xy - 5y)

D. 5xy2 (-x - 5)

For a population, n=11,000, μ=107, and σ=23. find the z value for ¯ x = 128.60 for n=36. round your answer to three decimal places. z=

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There are 22 roses, 12 daisies, and 16 carnations in a bouquet. what is the ratio of roses to the total number of flowers in the bouquet? How many carnations must be added to the bouquet so that the ratio of daisies to carnations becomes 1:3?

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