Mr. Erwin has 70 books in his classroom library, and 35 of them are non-fiction. What percent of Mr. Erwin's books are non-fiction?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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 .