143 seats
because 2920 seats/20 sections=143 seats in each section
        
             
        
        
        
Answer:
98.88 ft^2  to nearest hundredth
Step-by-step explanation:
Area of slice = (37/360)  *  pi * 17.5^2    ( 17.5 = radius ( half diameter of 35))
=   98.88 ft^2
 
        
                    
             
        
        
        
Answer:
Hemisphere Formulas in terms of radius r:
Volume of a hemisphere: V = (2/3)πr.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
No. 
Step-by-step explanation:
If we were to fill in the slots, the equation would be...
6x3-18=4
6 times three is 18, and 18 - 18 equals 0. So the answer would not be 1. 
 
        
             
        
        
        
The area of a circle if the diameter is 80 is 
A=5026.55