In the figure below, △ a b c ∼△ d e f . bx and ey are altitudes of each triangle. find the measure of ey to the nearest tenth.

Which graph represents an even function?

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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 .