How many members are on the Supreme Court of Tennessee?

There are 12 judges total. (The title "Justice" is reserved for members of the Supreme Court.) There are 4 judges from each grand division of Tennessee. However, only three judges hear each case. The grand division in which each county is located will determine which set of judges hears a particular case. For instance, a case from Hamilton County will be heard in the Eastern Division Court of Appeals and three of the four judges from the Eastern Division will hear that appeal. Likewise, a case from Trousdale County will be heard by three of the four judges from the Middle Division.