General Namaste feature questions

Hi,

Just a few general questions about Namaste and whether it can do these things I want to do.

1. In a lesson, can I have more than 1 quiz/test that must be completed?
2. Can a teacher pick 5 out of 10 lessons for student to complete?
3. If I sold my course, can I set the course to expire say after a certain time like 1 year?

Thank you for your time.

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