Which equation represents the graphed function?

A coordinate plane with a line drawn passing through the points (0, 3) and (3, 2).
Which equation represents the graphed function

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?