erinmclurkin erinmclurkin 02-02-2017 Mathematics contestada Solve the open sentence. –2 ≤ n + 4 ≤ 7 a.n ≥ 6 and n ≤ –4 b.n ≤ 2 and n ≤ 7 c.n ≤ –6 and n ≤ 4 d. n ≥ –6 and n ≤ 3