The blue jar contains the most paint, hope this helps.
        
             
        
        
        
Answer:
x=2
ab=7
bc=5
Step-by-step explanation:
because you do 
2x+3 = 4x+3
-3              -3
2x=4x
-2x -2x
x = 2
2x2+3
4+3
=7
4x2-3
8-3
=5
 
        
                    
             
        
        
        
Answer:
d<150
Step-by-step explanation:
 
        
             
        
        
        
Here's one shortcut:
2.3×10^9=1000(2.3×10^6) because your adding 3 more zeros to 2300000