Pls help i don’t understanddd

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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?

Aline passes through 3,7 and 6,9 what equation represents the line