What is the measure of the arc

How many $20 bills do you need to have to make $280

X2 + y 2 = 36 x + y = 6 solve the system of equations.

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