Answer:
If the equation is wrong, the slope is also wrong. Either your work has not been completed correctly, or you're answering the wrong question.
Answer:
B. Author's last name, first name. "Title of Document." Title of Web
site. Document date or date of last revision. Date accessed.
For 2.a the table is linear and the difference is 0.5
For 2.b the table is non- linear because if you divide y from x for each pair then it should all be the same number but it`s not.