200 elementary school students were surveyed to find their blood groups. Of those, 55 were of blood group A, 85 of blood group B
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<u>m= -19/1</u>
We need to use the slope equation
We are working with the points,
(17, 2) and (18, -17)
x1 y1 x2 y2
<u>m= -19/1</u>