What is the value of z so that -9 and 9 are both solution of x^2+z=103

-22
3
22
184

Given: ac and db are diameters. m∠3=

What is the size of the matrix resulting from

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