Respuesta :

Answer:

The mid point of[tex](5, 9)[/tex] and [tex](-1, 9)[/tex]can be calculated by:[tex]m = (\frac{5 + (-1)}{2}, \frac{9 + 9}{2}) = (\frac{4}{2}, \frac{18}{2}) = (2, 9)[/tex]

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Answer:use formula

Step-by-step explanation: