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Mathematics 22 Online
OpenStudy (anonymous):

Which of the following is not an equivalent form of the compound inequality x + 8 > 20 and x + 8 <= 28 20 < x + 8 <= 28 12 < x and x <= 20 A number line with an open circle on 12, shading to the left, and a closed circle on 20, shading to the right. A number line with an open circle on 12, a closed circle on 20, and shading in between.

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