I am TIRED

Good Day I am really getting tired of IQ Academy submitted my BMG assignment long ago when I checked my phone on 10 September they sent sms that they didn't mark my assignment because it was late after sending my HRTUTOR who advised that she passed it on on the 1st sent again on the 3rd of September how can I cancel this contract I am tired serious asked for financial office to call me to do a debt order nothing even if after explaining that its more than 3 months with this new bank but nothing , Its long distance learning meaning it has to help people who work all day but wish to further they're studies.