Answer:
A
Step-by-step explanation:
You can subtract normally when the square roots are the same( like in your problem) but the squares stay they same and the numbers on the outside change.
 
        
                    
             
        
        
        
Answer:
   2.5
Step-by-step explanation:
Put the values in place of the corresponding variables and do the arithmetic:
   ab - 0.5b = (1)(5) -0.5(5) = 5 - 2.5 = 2.5
 
        
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
Answer:
110 beats per minute.
Step-by-step explanation:
Since we know it beats 6600 beats per hour and there are 60 minutes in an hour then we have to divide 6600 by 60 which is 110.
 
        
                    
             
        
        
        
Answer:
Bill
Step-by-step explanation: