Help plzz I will mark brainliest

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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

What are the values of each variable in the diagram below?