Answer:
(Q + R)(P - Q)
Step-by-step explanation:
PQ + PR - RQ - Q² = (Q + R)(P - Q)
 
        
             
        
        
        
The answer is 8.99 in decimal form
In exact for it  In (1.838)/ In (1.07)
I hope one of them helps 
                        
 
        
             
        
        
        
The Answer Is 57.92 But the easiest way to do it is Rounding it
        
                    
             
        
        
        
Answer: Square, 24 square inches
Step-by-step explanation:
Given
Diameter of round pizza 
Side of square pizza 
Area of circle 
The area of a square is 

The area of square pizza is

Clearly, the area of square pizza is more and the difference in their area is 

 
        
             
        
        
        
Hey!
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Polygon: Heptagon
Vertices: 7
Sum of angles: 900°
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Solution:
158 + 120 + 139 + 121 + 125 + 126 = 789
900 - 789 = 111°
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Answer:
x = 111°
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Hope This Helped! Good Luck!