Respuesta :

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Answer:

The distance is 8 between (7,9) and (-1,9)

Step-by-step explanation:

For:

(X1, Y1) = (7, 9)

(X2, Y2) = (-1, 9)

d=(−1−7)2+(9−9)2√

d=(−8)2+(0)2√

d=64+0√

d=6–√4

d=8