There are 3 problems that I have to solve in first PNG file. The second PDF file has similar problems with answers, and I want you to use it for...

There are 3 problems that I have to solve in first PNG file. The second PDF file has similar problems with answers, and I want you to use it for solving first file problems.

Correct answers are important but I really need to see more detail steps solution than second file solutions.

• Attachment 1
• Attachment 2