Which of the following best describes the “rule of four”? a. the supreme court uses the rule of four after they have heard a case to decide whether they will issue an opinion on the case. b. the supreme court uses the rule of four to determine whether a case will be granted a writ of certiorari. c. it refers to the number of votes required to make a majority decision on the court. d. the rule of four refers to the number of justices it takes to form a minority opinion on a case.