Facts about ancient human civilizations

Which best explains why this triangle is or is not a right triangle?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

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 .