Supreme Court of the United States
Established by Article Three of the United States Constitution, the composition and procedures of the Supreme Court were originally established by the 1st Congress through the Judiciary Act of 1789. The court consists of nine justices: the chief justice of the United States and eight associate justices, and the justices meet at the Supreme Court Building in Washington, D.C. Justices have lifetime tenure, meaning they remain on the court until they die, retire, resign, or are impeached and removed from office. When a vacancy occurs, the president, with the advice and consent of the Senate, appoints a new justice. Each justice has a single vote in deciding the cases argued before the court. When in the majority, the chief justice decides who writes the opinion of the court; otherwise, the most senior justice in the majority assigns the task of writing the opinion.
The Supreme Court receives on average about 7,000 petitions for writs of certiorari each year, but grants only about 80. Provided by Wikipedia
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