What is the area of the polygon?

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.