Answer:
y-2
Step-by-step explanation:
 
        
             
        
        
        
Answer:
x = 3
Step-by-step explanation:
Given
7(x + 2) - 5 = 30 ( add 5 to both sides )
7(x + 2) = 35 ( divide both sides by 7 )
x + 2 = 5 ( subtract 2 from both sides )
x = 3
 
        
             
        
        
        
The range of communication is about 55 meters.
        
             
        
        
        
Answer:
It’s triangular prism
Step-by-step explanation:
 
        
                    
             
        
        
        
Ok.graph the 2.3 and the 6.8 as regular decimals, draw a line, annd I dont know how to do the last part. :(