Ive attached images of the questions since i cant copy themclearly. Please show

Ive attached images of the questions since i cant copy themclearly. Please show work if you can so i can learn how to do theseproblems for the future. Ive mulled over these questions lookingover my book trying to figure out how to do them and i think i justconfused myself more. Please help. If there are any issues pleasemessage me. Thank you!