Hi vannessa274,
Welcome to the Apple Community.
We are all Apple users, like yourself, doing what we can to help each other troubleshoot, voluntarily.
So, you would need to apply to Apple for any refunds (see link / info. at the bottom of this post).
Seems you would need to first cancel those unneeded App subscriptions.
Apple support have articles online that can help with that.
How to cancel subscriptions from Apple
https://support.apple.com/en-au/HT202039
If you tried to cancel a subscription but you can't see it in the list
https://support.apple.com/en-au/HT212052
Get help with subscriptions not billed through Apple:
https://support.apple.com/en-au/HT207865
Then:
How to:
Request a refund for apps or content that you bought from Apple
(NB: If the charge is pending, you canʼt request a refund yet.
After the charge goes through, try to request a refund again.)
https://support.apple.com/en-us/HT204084
or to:
Contact Apple Support:
https://support.apple.com/choose-country-region/media-services
Hope this works for you :-)