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Mathematics 8 Online
OpenStudy (anonymous):

Cancer Deaths: The cancer death rate (number of deaths per 100,000 people) in the United States can be approximated by the equation y = -2.2x + 216, where x is the number of years since 1990. Solve this equation for x. Use this new equation to determine which year the approximate cancer death was 150.

OpenStudy (anonymous):

5/6 × = -60

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