how does the court select cases to hear?

Answer 1

Jurisdiction. First a court must have personal Jurisdiction over the person then Subject Matter Jurisdiction, once this process is bypassed lower courts will hear the case. Appellate courts possessing jurisdiction hear the appeals, and state supreme courts have general jurisdiction over most every case in the state. The U.S. Supreme court selects its cases based on the justices opinions on whether or not to 'grant certirori (hear the case).' The supreme court justices base their opinions on a range of issues of both relevance and temperance

Answer 2

Which court are you asking about? If it is the U.S. Supreme court, then I think the Court will hear the case if four of the justices vote to hear it. I think it is called "The Rule of Four"

Answer 3

there are certian law mentioned in our constitution according to which the cases are selected. some categories of cases could be heard direct in higher court or supreme court while some are to be heard first in lower court only. in special cases supreme court can here cases