Answer:
15cm
Step-by-step explanation:
a^2+b^2=c^2
12^2+9^2=c^2
144+81=c^2
c^2=225
c=15
 
        
                    
             
        
        
        
Answer:
C. 30.
Step-by-step explanation:
Each cube has a volume  of 1 * 1* 1 = 1 cu cm.
The answer is 30 unit cubes because 30 *1 = 30.
 
        
             
        
        
        
what is the result of the addition of 20 and 6
 
        
                    
             
        
        
        
Answer: C O R R E C T
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Sqrt 29 
Step-by-step explanation: