Always
Anytime point A is on line BC, AB+BC=BC
        
                    
             
        
        
        
Answer: 80
Step-by-step explanation:
We can use the formula  , where
, where  are the lengths of the diagonals.
 are the lengths of the diagonals.
By the distance formula, 

So, the area is 
 
        
             
        
        
        
Answer: 115 is the answer
Step-by-step explanation:
 
        
             
        
        
        
Answer:
15 questions correct
15/20 = 75%
each 5 questions is 25 percent of the 100% so 3 x 5 = 15 = 75%
Step-by-step explanation:
 
        
             
        
        
        
If the temperature drops, then you must have subtract amount of drop from initial temperature.
                       
The correct answer is the first one.