The slope of any line perpendicular to AB, where A(0, -3) and B(4, 9) are two points on the line, is m = -3 -1/3 3 -3 -1/3 3

m = -1/3

Step-by-step explanation:

First find the slope using

m= (y2-y1)/(x2-x1)

   = (9 - -3)/(4-0)

   = (9+3)/(4-0)

   = 12/4

    = 3

We want the slope that is perpendicular  Perpendicular slopes multiply to -1

m * 3 = -1

m * 3 /3 = -1/3

m = -1/3

christopher is 272,195 year old

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