To find the distance between 2 numbers you must take the absolute value of the difference
|90-(-20)|
|110|
110
110 degrees celsius 
        
                    
             
        
        
        
Answer:
c
Step-by-step explanation:
you divide each side by four to get a=2.5 b=2.5 and c=3
 
        
                    
             
        
        
        
Answer:
The joint probability of the two events is one.
Step-by-step explanation:
Complementary events:
If two events are complimentary, these three following things are true:
They are dependent.
The intersection of them is zero.
The joint probability of the two events is one.
The last one is the correct choice.
 
        
             
        
        
        
Answer:
8
Step-by-step explanation:
Hope this is right! ;) 
 
        
             
        
        
        
Answer:
3.025, 121/40
Step-by-step explanation: