The floor in the back of karl's trunk is 6 ft long and has area of 24 ft^2. karl wants to haul as many boxes on the floor as possible. he cannot stack the boxes or they will fall out as he drives. if each square box is 2 ft long, how many boxes can karl fit in the back of his truck

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 .