Answer:
Alcohol has greater value of temperature coefficient of expansion than mercury.
Answer: not sure either. not sure what exactly your asking because the wording is weird. (no offense)
4.42
Because when you divide 129/29.20, you get a long string of numbers. 4.417808219178082...
So you round to the significant figure which in this case is 2 decimal places because 29.20 has 2 decimal places.
PS did you draw that car? Cuz im into drawing cars too.