PLEASE HELP WILL GIVE BRANILIEST does the following relation form a function if so how do you know

the relation is : (1,3) (5,6), (4, 3), and (2, 5)

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

20 points for the brainliest? drag each tile to the correct box. not all tiles will be used. arrange the steps to solve the equation . plz

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b