Complete problem 8 at the end of chapter 4 and problem 4 at the end of chapter 5

Complete problem 8 at the end of chapter 4 and problem 4 at the end of chapter 5

Complete problem 8 at the end of chapter 4 and problem 4 at the end of chapter 5. Be sure to show your work and explain what you’re doing to complete the problem. That is, you should not just present a series of numbers without further evidence or explanation.