If the original price of a table is p and the sale price of the table is p−0.2p, which other expression represents the sale price of the table?

Ummm  whats the answers?

Step-by-step explanation:

answer: no, but if it does it's a obvious pattern.

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