I dont know how to do this please help me its telling me to find each exterior angle

What is the 12th term of b(n)=-4-2(n-1)

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?

Select all the statements that apply to this figure