1)
Why does it say "Im Ya'azvu
1.
Malbim: This refers to a sin due to denial in De'os and Emunah, which is called Avon in Tanach. My Torah is teachings of Emunos and De'os.
2)
What is "uv'Mishpatai Lo Yelechu"?
1.
Malbim: These are teachings in matters of conduct Bein Adam l'Chavero.