7. X=5
8. X=6
9. B=-3
10. G=3.4
        
             
        
        
        
No 6.2 could be put as 6.20 and 1.75
6 is bigger than 1
 
        
                    
             
        
        
        
Answer:
x  4
 4
Step-by-step explanation:
4x^2 - 64  0 ; move 64 over
 0 ; move 64 over
4x^2  64 ; divide by 4
 64 ; divide by 4
x^2  16 ; take square root of both sides
 16 ; take square root of both sides
x  4
 4
 
        
             
        
        
        
Answer:
54
Step-by-step explanation: