The trick question is that you can’t effect an unknown value because you don’t know what number it is, it has to be a known value, there is nothing that you can do to figure it out, so it’s unknown and cannot be effected.
        
             
        
        
        
Answer:
it would be a fraction of a sec
Step-by-step explanation:
see if you just simply took out a calculator you would see its not possible unless you knew what the balloon is descending at during the fraction of the seconds
 
        
             
        
        
        
Answer:
try 1 and 2 for supplementary
and 7 and 6 for vertical
Step-by-step explanation: