Which of the following is true about the supreme court justices?
the chief justice serves for life, and the associate justices have set terms.
the chief justice and associate justices serve for life or until resignation.
the congress has decreased the size of the supreme court over time.
the congress can remove a justice with the president's consent.

The court normally composes the Chief Justice of the US and eight associate justices. They are nominated by the President and confirmed by the Senate. The justices, once appointed have life tenure unless they retire, resign or are removed (after impeachment).

c

explanation:

impeachment is when a president is committing treason or doing shading acts while in presidendcy therfor he can be impeached   by congress