I have up to & including ATPL's - I didn't study 2U Maths (However did do a course to help out an application to a specific airline) or Physics & have not found a need for it. As Bill said if you can count/divide/multiply/subtract etc you should have no issues.
What's required practically however is not always reflected in airlines/defence force requirements so check out those websites for their requirements.
In the event you don't have them, there are a lot of courses you can do fairly quickly to meet the minimum requirements.
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