Respuesta :
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.
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