Final answer:
Rick can argue that his procedural due process rights under the Fourteenth Amendment were violated when State U expelled him without a fair hearing, which the Student Conduct Code stipulated he should receive.
Step-by-step explanation:
Rick, who was expelled from State U for allegedly dealing drugs, can assert that his Fourteenth Amendment due process rights were violated. The Due Process Clause of the Fourteenth Amendment guarantees that no person shall be deprived of life, liberty, or property without due process of law. In Rick's case, due process would require a fair hearing before any disciplinary action, such as expulsion, is enforced. As State U refused to grant him the hearing outlined in their own Student Conduct Code, Rick's procedural due process rights were likely infringed.