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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 .

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955