The side length of a square sticker is 3 inches. how many of these stickers are needed to completely cover a square table top with the area of 4 ft.²?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours