Butter is considered a what solid because it does not melt at a distinct temperature

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Ineed ! i have no clue how to do this problem.