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Which pair of equations would represent lines that are PERPENDICULAR to each other?

I. 3x – 2y = 12

II. 3x + 2y = -12

III. 2x – 3y = -12

Which pair of equations would represent lines that are PERPENDICULAR to each other?

I. 3x – 2y = 12

II. 3x + 2y = -12

III. 2x – 3y = -12

Answer:1.

Step-by-step explanation: