Riley can paint a bedroom in 8 hours. Rickey can paint the same bedroom in 5 hours. How long would it take them if they worked together?

2÷6+1/2 to the second power plus one

It says factor each expression completely 8y+48

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 .