3. the outside temperature decreases by
7°f in 3 hours.
part a
how would you represent the
temperature change as a unit rate?
express your answer as an integer.
part b
if the temperature continues to
decrease at this rate, what will be the
change in temperature after 5 hours?

434321

step-by-step explanation:

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