Alisa is choosing new tile for the floor in her dining room which is in the shape of a square with side lengths x feet. The tile costs ​$3.12 per square foot. Complete parts a through c.

Part 2
b. Determine the cost of the flooring if she decides on a dining room with side lengths of 14 ft.
​$
Part 3
c. Determine the cost of the flooring if she decides on a dining room with side lengths of 25 ft.
​$