Hi there Im a student, studying at college and I have an exam coming up and need help with this mock paper, but I have no idea because It is very hard for me, if you could do the calculations for me I could learn the methods and understand. thank you for you help. regards Sarah.

 

Well, unfortunately you have to show us your solution.
Then we can help you.

 

As jony130 has said, we are here to assist you in solving the problem yourself. We request that you show us your good faith effort to solve the problem. We can then help you with corrections where needed.

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