On a standardized exam, the scores are normally distributed with a mean of 190 and a standard deviation of 20. Find the z-score of a person who scored 155 on the exam.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

Yes the slope to this is -5

Hi idk what that is wait am how do i get out of here i’m new