Find the distance between the pair of points. plzz help me. 7 1/5,-8 3/4) and (7 1/5,-4 1/4)

plzzz help me due in 2 hours

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

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