Graph the following: y=3x show work pls

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

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