Help meeee please!!!!!

Answer:
Step 3: Choice D
Step 5: Choice B
Step 6: Choice A
Step 8: Choice C
(I saw in the top left corner of the picture that this is for Algebra II. I am in 8th grade, currently taking geometry, and I haven't taken Algebra II yet, but I did take Algebra I last year. I am 95% sure this is correct but if it isn't, the I sincerely apologize.)