Respuesta :

Louli
The order pair that represents yz can be found as follows:
yz = z - y = (-1 , 2) - (-5,7) = (4 , -5)

The magnitude of yz can be calculated as follows:
magnitude yz = sqrt [(4)^2 + (-5)^2]
                      = sqrt (41)
                      = 6.403

Answer: the answer is D on edge

Step-by-step explanation:

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