Answer(s): Q3: means a persons head
Q5: an old patched hat (I'm sorry ;-; I was stuck and theses was the only ones IK that are right doing a USA Test Prep)
They are not synonyms of each other, but both are used as synonyms of the word "unbiased." Each word has a very broad meaning, and the meanings only intersect when describing an unbiased opinion or view.
Answer: more details please
Explanation: