The answers for part one are
1: 2 1/3
2: -7/15
3: 2/5
4: 1/16
5: 4/5
6: - 9/10
7: 2/3
8: 8/9
I hope this helps, because when I searched I didn't find anything.
If you want you can check the answers, but for me it was 100%
Based on your question, it seems like you are referring to a specific set of answers for a "part one" of something. However, you did not provide the actual question or context for these answers. Hence, I cannot determine the specific method or process used to arrive at these answers without additional information.
To assist you in checking the answers, I need to know the specific question or problem that these answers correspond to. Once I have the necessary information, I can guide you through the process of verifying the answers by showing the steps involved in solving the problem.