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The number of books checked out from the library varies directly with the number of book reports assigned. There were 3375 books checked out when there were 225 book reports assigned. How many book reports have been assigned if there are 13,500 books chec...

Identify whether the variable in the information below is qualitative or quantitative. The archeological site of Tara is more than 4000 years old. Tradition states that Tara was the seat of the high kings of Ireland. Because of its archeological importanc...