In the graph, the yellow highlighted part represents the feasible region of all possible solutions to what kind of solution method?
a. linear equations
b. linear functions
c. linear lines
d. linear programming

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