Hello!

I need some help with the following problems. Can anyone please explain to me how to do the problems, Thank You!!!!

Question 1:

Question 2 part 1:

Question 2 part 2:

Question 3 part 1:

Question 3 part 2:

Question 4 part 1:

Question 4 part 2:

Thank you for all that answer and view!!!! I really appreciate it!