Drake launches a mobile app that allows his listeners to rate his new album on a scale from -5 to 5. So far, listeners have given the album scores of -3.5, 5, -2.5, 4.5, and 1.5. What is the average rating of his new album?
Im taking a test pls help thanks

Could someone with number 1 and 2

Can someone tell me if this is perpendicular? !

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .