Describe the set 2 < s < 5 using
interval notation.
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Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Prove that quadrilateral is a rhombus.

Explain why the factor 1.5 is broke. into two numbers in the model.