Look at the image below 20 point speacial

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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

Me. i can't figure out this question. give an explanation too. .