In the whole wide world of math, there is only one number that equals 19.
That number is . . . . . . . . . . wait for it . . . . . . . . . . 19 .
Answer:
Option (C)
Step-by-step explanation:
If AD is the altitude to BC, both the segments AD and BC will be perpendicular to each other.
By the property of perpendicular lines,

where
is the slope of the line AD and
is the slope of BC.



Now from the given property,


Therefore, slope of altitude BC = 
Option (C) will be the answer.
Answer:
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Step-by-step explanation:frgbhnjmk,l
It's not an equation because there's no answer to the problem.