Hi!
The scale factor is 3.
You just have to divide 6/2 to get 3.
There are 72 different ways the director can fill the positions.
(1+2+3+4+5+6+7+8) x 2
You multiply it by 2 because there are going to be 4 other people who will not have a position, and 8/4 is 2.
Answer:

Step-by-step explanation:
The equation of the line with the slope
and passing through the point
is

In your case,

Hence, the equation of the line is
