Statistics Help please.
Discrete Random Variables Question

What is this equation in point-slope form?

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Which value of c would make he following expression completely factored? 8x+cy