Resultant force vectors 2

Can I have methods to work out the answers to these questions please.

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  • Ill up my offers in future however both your answers are wrong according to my exam answer sheet Vector OR should be 22.9 and Vector OQ should be 4.97

  • There was a small computational mistake, where I had divided 7 by 1.408. All the corrections are in red in the second attachment.

The answer is accepted.