Hi Dm,
Welcome to AAC.
As this is Homework, please post your best attempt at answering, we then can help you.
E

 

So.... what's your question?

Don't expect someone here to just do your homework for you. That's not how it works. We are more than willing to help guide you toward a level of comprehension so that you can solve the problem on your own, including when you see a similar problem on the exam.