Can someone help me someone these questions please?

5. Convert the following vectors; (4 marks) a. 75 m/s on a bearing of 295: to Cartesian form b. [3, 8) to direction\magmtude form 6. Express as a single vector: (4 marks) 7. Demonstrate using diagrams; (4 marks) a. that vector addition is commutative ie + = -4- b. that vector addition is associative ie. + 8. Research an example of the use of vectors and explain how the mathematics is used, for example in engineering, computer animation, gaming, 3-0 printing or GPS technology. (5 marks)