Answer:
air is nice
Step-by-step explanation:
heheh
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
Answer: $1900
Step-by-step explanation:
Simple math 
 
        
             
        
        
        
Answer:
first one is simnple cross multiply and divide 
12*7=4x
84=4x
x=21
2nd same process but more steps
7x=5(x+8)
7x=5x+40
7x-5x=40
2x=40
x=20
Step-by-step explanation: