How does the supreme court reach decsions in its cases

Answer:because they have to go through the supreme executives befor another question to be held accountable

The most common way for a case to reach the Supreme Court is on appeal from a circuit court ... The Court will only issue a writ if four of the nine Justices vote to do so. Justices usually take the importance of a given case and the need to issue a final decision before deciding to grant certiorari.