(Geometry) Which lines are perpendicular? I. y = 7/3 x -7
II. y + 1= - 1/3 (x - 1/7)
III. y = 3/7 x - 1/5
(If there is more than one, please state it in your response)

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation:

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.

the answer is d

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