Question: question 4 please and question 3 if you can, thanks! 3. Simplify the vector (41 - 27) + 3(7 +7). (2 marks) 4. Determine a

question 4 please and question 3 if you can, thanks!

3. Simplify the vector (41 - 27) + 3(7 +7). (2 marks) 4. Determine a x b, if a is 50 km at a bearing of 020 and b is 10 km at a bearing of 060. [3 marks]

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