Answer:
$1343
Step-by-step explanation:
The equation would be 
x= 1580 (1-0.15)
x represents how much he actually pays. 
1-0.15=0.85. 
1580×0.85=1343
 
        
             
        
        
        
Before you use the quadratic formula, you have to make sure the equation itself is a quadratic and that a and b are not 0.
        
             
        
        
        
Answer:
 I would like to say A because Diagonals of a rectangle Bisect each other at a right angle.
This seems likely 
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Hope this Helps
 
        
             
        
        
        
3 gallons of strawberries. 
3/4 * 4/1 = 12/4 = 3 
or you can use the butterfly method on the fours and get 
3/1 * 1/1 = 3