Answer:
65.54% (nearest hundredth)
Step-by-step explanation:
Given:

P(X > 8600) = 1 - P(X ≤ 8600) 
                     = 1 - 0.3445782584
                     = 0.6554217416 
                     = 65.54%
 
        
             
        
        
        
Answer:
20
Step-by-step explanation:
Given
2x² - y ← substitute x = 3 and y = - 2 into the expression
= 2(3)² - (- 2)
= 2(9) + 2
= 18 + 2 
= 20
 
        
                    
             
        
        
        
Answer:
163
Step-by-step explanation:
 
        
             
        
        
        
D.
or divide 900 by 20 and see the closest