The first term in an arithmetic series is 100. the common difference is -4.

find an expression in terms of n. for the nth term of this series. give your answer in simplest form

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 .