Rewrite x^5+5x^3-9x+1 x^2+6 in q(x)+r(x)/b(x)

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.

What is the least common factor of 6 and 8

For what value of (y) is 3^3/3^y =1/9