The factory makes 400 cars per day if the workday is eight hours long what is the hourly rate at which cars

Anyone know? will mark brainliest if correct

Which expression is equivalent to the expression shown?

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