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Mathematics 10 Online
OpenStudy (anonymous):

please help? :) Solve the open sentence. –3 ≤ n + 6 ≤ 7 A. n ≤ –9 and n ≤ 6 B. n ≥ –9 and n ≤ 1 C. n ≤ 3 and n ≤ 7 D. n ≥ 9 and n ≤ 7

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