Just number 7 pls

Use truth tables to determine whether the argument forms in 6-11 are valid. Indicate which columns represent the premises and which represent the conclusion, and include a sentence explaining how the truth table supports your answer. Your explanation should show that you understand what it means for a form of argument to be valid or invalid. 6. pq 7. p qppqpqqrr 8. pq 9. pqr pq pq prqp