1.2 I’m so sorry if it’s wrong.
        
                    
             
        
        
        
Answer:
x=52
Step-by-step explanation:
 
        
                    
             
        
        
        
Distribute the negative sign

Combine like terms
-9x^2 + 7x^2 = -2x^2
9x - 3x = 6x
13 - 6 = 7

<u>Answer</u>

 
        
             
        
        
        
To find your answer you could type in the cost and multiply it by the tax rate, so $0.72 X $0.06(The tax rate )= $0.0432 
You then subtract 0.0432 from 0.72 and get 0.6768
rounded it would be $0.68
Hope this is right..
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
60 sec= 1 min
60min=1hour
24hours=1day
7days=1week
52 weeks =1 year
24x7= 168hours in a week
168hours x 52 =8736 hours in a year
8736x60=524160mins
524160mins=  1 year
the heart beats 103680 in a year
the heart will beat 524160/103680=5.05555555556 in a minute