Meet Tips: Your student can not start a meeting.
If they are getting a message that says they don't have "rights" that just means the teacher hasn't started the meeting yet and they will have to try again in a minute.
If your student can not hear, they should try to log out and log back in.
You can access Google classroom via the App on your ipad, or by going to classroom.google.com
Username:email@example.com Password: birthdate with vt (5/5/2010vt)
Google Classroom for Parents - information guide