Help pls I’m super confused explain it but pls give clear answers

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true

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?

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs. mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.