The type of biased language is, "b. ability," mainly because Haley states, "Would you get a move on? Are you deaf?" and it's insulting Kenneth's ability, as if she was saying he can't hear what's clearly being said.
It should be "Their car is blue."
There is a location. Their represents possession.
A tutor is needed to help the student in understanding her lessons and in improving her study habits. The tutor does not, however, give the questions to an upcoming exam or do her assignments for her. Hence, the answer is D.
The answer is D because that’s the only one that’s not right