Macadamia nuts cost twice as much as blueberries. Blueberries cost twice as much as peanuts. Select all of the graphs that could represent how much macadamia nuts, blueberries, and peanuts cost for different weights.

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 .

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

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