can someone give me the answers for these two questions?

I paid for this subscription but no real person is helping me, they used A.I and said the question is incomplete. It is not this is the full question

A) Provide the Gantt chart and Average Waiting Time of the following using Shortest Job First algorithm for both preemptive and non-preemptive scheduling: B) Provide Gantt chart and Average Waiting Time for the set of processes in (3A) using Round Robin Algorithm for Time Quantum =3