Find the coordinates of the circumcenter of aabc | a(-1,-2) b(-5, -2) c(-1, -7)

Standard deviation of 19,29,21,22,23

Which inequality has a dashed boundary line when graphed ?

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