Simplify the following expression:

-2r (3r - 5) + 0.75r - r²

A. - r² - 5.25r + 10

B. - 7r² + 10.75r

C. - 5r² + 0.75r + 10

D. The expression is fully simplified.

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Which vest explains if quadrilateral WXYZ can be a parallelogram

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The population of Nowhere, USA was estimated to be 485,400 in 2003, with an expected increase of 2.4% per year. At the rate of increase given, what is the expected population in 2004? Round your answer to the nearest integer.

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System of equations y = 4x + 6 and y = 6x - 8