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Mathematics 9 Online
OpenStudy (anonymous):

3, –3, –9, –15, . . . A. Start with 3 and add –6 repeatedly. B. Start with –6 and add 3 repeatedly. C. Start with 3 and add 6 repeatedly. D. Start with 3 and subtract –6 repeatedly.

OpenStudy (anonymous):

well, what are you doing to each number to get the next number?

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