Answer:
use the formula speed=distance/time
distance=speed×time
and time = distance/speed
 
        
             
        
        
        
Answer:
C. 1 / (a(a - 1))
Step-by-step explanation:
View Image
Just know that:
n! = n(n-1)!
    = n(n-1)(n-2)!
    = n(n-1)(n-2)(n-3)!
    = ...
 
        
                    
             
        
        
        
The distance of DC=HG,4.47; distance of CB=GF, 2.23; distance of BA=FE, 2.23; distance of AD=EH, 3.16
Answer:All sides are congruent so the shapes are congruent
Hope this helps :)
        
             
        
        
        
Answer:

Step-by-step explanation:

 
        
             
        
        
        
Answer:
7 + 11 + 11
Step-by-step explanation:
7 + 11 = 18
18 + 7 = 25