Commerce

Definitely you can do B.Ed after commerce graduate
Find nearby University or college for your further studies.

Mathematics is not compulsory to Take B.Com. Hons you can apply for that if your a commerce student.

You can visit online teaching platform's or you can have course regarding it which can be seen or learned in any Android devices.

Yes you can take S. P. In option of maths in your hsc which won't have any effects in future.

The basic eligibility criteria is -
Pass in 10+2 Examination / Equivalent Examination with at least 50% marks in aggregate in 5 subjects including English as compulsory subject along with 4 subjects with the highest score out of the remaining subjects.

F. Y. Junior College: Arts (Student with marks above 70%) / Commerce (Student with marks above 80%) & Science (Student with marks above 90%) can apply. F. Y. Degree College: Students above 60% can apply.

The best courses for Commerce graduates abroad are
1)Master of Business Administration (MBA)
2)Master in Finance (MFin/MiF)
3)Master in Business Analytics (MBAn / MSBA)
4)Masters in Economics
5)Master of Commerce (M.Com)

You can look for the following colleges:
1)Swaraj College of Commerce and computer studies
2)Indira college commerce and Science
3) Leelawati College of commerce and Computer studies

No, you have to score a minimum of 50+ score in PTE otherwise you will get a refusal.

The Nursing Council rules for admission to B.Sc. Nursing clearly state: Candidate with Science/Arts/Humanities/Commerce who have passed the 12th Standard examination (10+2) and must have obtained a minimum of 45% marks in the core/elective/academic subjects taken together and passed English individually
Hope this clears your doubt.