Final answer:
The highest court in the U.S. is the Supreme Court. It is the final authority on interpreting laws and the Constitution.
Step-by-step explanation:
The highest court in the U.S. is the Supreme Court. It is the final authority on interpreting laws and the Constitution, and its decisions are binding on all lower courts. The Supreme Court consists of nine justices who are nominated by the President and confirmed by the Senate.
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