Hii, I needed help regarding a few things that I'm worried about before MBA classes start

I recently started participating in GDs and one thing that I have noticed is that when there are only a few women in the group, it becomes really difficult to make a point or even start the discussion. Men with their loud voices never give me a chance to speak. My voice is a bit feeble even though I'm trying to improve it. I faced this issue even though the GD was online and I can't imagine what it would be when I have to participate in face to face discussions with men. So I would be grateful if any of the baddies here would help me out 🙏

Also, I need to build knowledge about finance, how do I start? I learn better through videos so does anybody know whether there are any good playlists on youtube or any certifications that would help me gain knowledge and land a job?

What more do I need to prepare before joining MBA? I have one month left. Please help