Respuesta :

cie25

Answer:

A z-score equal to 0 represents an element equal to the mean. ... A z-score equal to -1 represents an element that is 1 standard deviation less than the mean; a z-score equal to -2, 2 standard deviations less than the mean; etc.

valentinagomez93

Answer:

z=60 degrees

Step-by-step explanation:

Both triangles are similar which means their angles are the same but their sides/ legs aren't.

65+55=120

180-120=60