It would be 9/4. To find 1/3 of something you have to multiply it by 3. 9/4 should be considered as a division expression. Hope this helped!
Answer:

Step-by-step explanation:

Add 18 to both sides:


Subtract 9h from both sides:


Multiply both sides by -1 and flip the symbol:


Divide both sides by 2:


Answer:
The answer is B.
Step-by-step explanation:
Its B because the lower the altitude the higher the pressure, and in this case the air towards the ground is being moved up, which is letting cold air sink back down.
What are the measurements?