1.even though he had been driving for five hours, jacob was not (a. inclined, b. coherent, c. nuanced, d. incisive) to rest or trade spots with anyone else in the car. although he was accustomed to sarcasm, alex was not prepared for the comedian's biting, ( a. quaint, b. nuanced, c. incisive, d. implicit) sense of humor.

Explanation:

To be inclined to do something means to be disposed or willing to do something. In this case, by saying that Jacob was not inclined to rest or trade places with anyone even though he had been driving for a long time, the author implies that Jacob did not want to do any of these things.

In the second case, the word "incisive" describes speech that is keen, clear and direct. Comedians often use incisive language due to their ability to make acute observations of their audience.

hey! what was the rest of the question?