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What is a rational number between 9.5 and 9.7

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .