Respuesta :
Answer:
see below
Step-by-step explanation:
part A- -40<x<140
x is the temperature, and the temperature can't go down to -40 so x is greater than -40 so that the gas doesn't freeze. and x can't go higher than 140 because the gas will evaporate.
part -b i am sorry i couldn't answer
part c- the gas will freeze because it's been said in the question the gas freezes at -40 if it goes -49 than it will freeze the gas supposed to stay higher than negative -40.