You should receive a code from your teacher to join your google classroom via email. If you haven't received this code, email your teacher and they can resend it.
There are multiple ways to send your work back to your teacher.
If you downloaded and completed a PDF or Non-editable file, you may write on the worksheet, then Scan or snap a picture on a phone and send it via email or Google Drive.
If you are editing a Google Doc or Sheet, you may complete it online and share it back with your teacher.
If your teacher has setup a Google Form, you may click submit at the end and it will automatically go back to them.
Yes all Google Tools have been enabled in order to assist in the Distance Learning Initiative. You will have to give access to your computers camera and microphone for it to work properly.
No, per district code of conduct, you are not allowed to record any remote meeting sessions of their classes.