It is the chief justice who: a. has more voting power than the associate justices c. creates the discussion list of cases to consider b. is the senior member of the court d. makes the final decision on cases

It is the Chief Justice who is the senior member of the court. Some of his duties are:

- to be the chief administrative officer to all federal courts and serves as the spokesperson of the judicial branch.
- he presides oral arguments, if in majority, decisions who decides the court's opinion. 

The answer should be a.

Read your textbook to answer that question