HELP PLEASE QUICK ILL MARK BRAINLIEST When the Supreme Court rules on a case, how many “agree” votes are needed to reach a verdict?

The Chief Justice’s opinion is the verdict.
A simple majority is needed.
A 2/3 majority is needed.
All nine justices must agree.

A simple majority is needed.

Explanation:

A simple majority is conducted by comparing the amount of votes in favor with the amount of votes against the proposed ruling. The verdict is reached when the votes in favor of the ruling exceed the one against one, even if the difference is only in one vote.

Typically this system of voting was made to prevent a certain decisions from being drawn out and make the process longer than it needs to be.  Since the supreme court have to handle the cases that sent from lower courts all over the nation, this  system of voting is necessary to ensure that the supreme court can handle as many cases as possible.

protected civil liberties and outlawed slavery in the new territories.