Can anybody help me out with this question or gets it

Ineed if you could explain and give me the answer you! this needs done

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)