Family's cell phone contract charges a monthly fixed fee for five lines and then 0.08 per, the latest cell phone bill was $164. How many minutes did the family use? Write an equation to represent this situation. Then solve the equation.

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

the bolded word " farsighted" could be replaced with visionary.

answer: 8

step-by-step explanation: