PLEASE HELP I WILL LOVE U FOREVER
 For each real-world example below, list the variables, relationship Explain your reasoning. 
 If the valve on an appliance is opened more, then the demand for propane vapor increases. The cylinders below contain liquid propane that boils off gas vapor to provide fuel to appliances.
 Constant: __________________________
 Independent: ______________________
 Dependent: ________________________ 
Relationship: Direct or Inverse
 Explanation: ___________________________________ __________________________________________________ __________________________________________________  
 Your friend is riding his bike and you notice the flap, flap sound of an airless tire. When you discover the flat tire, you help your friend using a pump to add air to the tire.  
Constant: __________________________
 Independent: ______________________
 Dependent: ________________________ 
Relationship: Direct or Inverse 
Explanation: ___________________________________ __________________________________________________ __________________________________________________  
You are on a hot air balloon when all of a sudden it starts floating into the sky. Your younger sibling is freaking out and you must explain the reasoning the hot air balloon is floating off the ground. 
 Constant: __________________________
 Independent: ______________________
 Dependent: ________________________
 Relationship: Direct or Inverse 
Explanation: ___________________________________ __________________________________________________ __________________________________________________