Factor completely.216x2 - 360x + 150

A. (36x - 30)(6x - 5)
B. 6(36x2 - 60x + 25)
C. 6(6x + 5)(6x - 5)
D. 6(6x - 5)2


Answer: D

Mathematics

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Solve the problem.The linear function f computes the distance y in miles between a car and the city of Toronto after x hours, where  The graphs of f and the horizontal lines  and  are shown in the figure. (i) When is the car 90 to 180 miles from Toronto? (ii) when is the car's distance from Toronto less than 180 miles. 

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