When the decision about where to eat is in question, Jakob usually defers to Phil. On the other hand, when it comes to which movie to see, Jakob usually makes the decision. Jakob and Phil's friendship seems to generally work this way, with Jakob being the expert and in charge of some things, and Phil in others. How would this friendship best be classified in terms of power?

The friendship can be classified as equal importance in terms of power.

Explanation:

In this context there are two friends one is Jakob and another is Phil . Both the friends make decision accordingly that is at the time of selection of food Phil makes the decision and on the other hand Jakob takes the decision at the time of selection of movies. Hence we can say that according to power both are getting equal importance and hence it is making their friendship very strong. In case of friendship proper understanding of the mentality is always required. One must not feel inferior when it comes to friendship.

depends on what they need