How can i satisfy these in use case diagram?

• Lecture slides will be visible to all the students during the session and class attendee will also have option of turning on/off their mic.

• Teacher will initiate a class meeting session and students should have option to join and attend the meeting session.

The above two points are from my assignment.

am i drawing Correct?

i am confusing about these arrows are the correct?

Attachment image
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