Please help i will give brainlist .

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

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

What is the mean of the data set 125, 141, 213, 155, 281