Answer:
-1
Step-by-step explanation:
first put the equation in slop int form:
y= x-6
to find the slope of a line that is perpendicular take the negative reciprical of the slope
so the answer is
-x
0.5
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7
do 8.40 divided by 1.20 which gives you 7
you can double check by multiplying 1.20 by 7
i dont know
uhhh
