Answer: -9+12=3 -3+12=9
Step-by-step explanation:
One rod is 1/320 parts of a mile.
For this case we have that by definition, the slope of a line is given by:

Where:
and
are two points through which the line passes
According to the statement we have:

Substituting we have:

Thus, the slope of the line is:

Answer:

Answer:
option #4 (-oo, +oo)
Step-by-step explanation:
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