Apple Store keeps charging me 9$ a month for no reason it don’t even say why and I have nothing for 9$ subscription

every time I’m charged for things I have not bought I have removed my card twice and it keeps on charging me I remove subscription and it keeps on charging me in the past week I have Ben charged 9$ for don’t know what and 29.9$ And 11.9$ for a subscription I have removed I don’t want iPhone anymore it makes me pay for stuff for no reason and how do I remove the. Card I’m very very very upset of this how to get my money back