HELPP plz I need the answer with step by step don't send a file plz

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

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

For the word below, click on the drop-down arrows to select the root and its meaning. version