Answer:
4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
It would end at 9:38
Step-by-step explanation:
but obviously it is not one of the answer choices, so I would go with 9:42
 
        
                    
             
        
        
        
Answer:
-3/4 and 1/-2 is the correct answer. 
Step-by-step explanation:
 
        
             
        
        
        
You need to find the slope first. (-9,-4). (3,4)
-4-4= -8
-9-3 =-12. Slope is -8/-12 or 8/12 or 2/3
Perpendicular is the negative reciprocal. Or flip over the 2/3 and make it negative. 
The answer is - 3/2
 
        
                    
             
        
        
        
Answer:
60 degrees Fahrenheit
Step-by-step explanation:
The formula you would need to use:
(20°C × 9/5) + 32 = 68°F