Does the data represented show a linear or nonlinear relationship

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

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

Solve the formula ax+ by = c for x.