Two hikers are 12 miles apart and walking toward each other. they meet in 2 hours. find the rate of each hiker if one hiker walks 1.2 mph faster than the other.

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 .