Answer:
It's B
Step-by-step explanation:
"Brainlypatrol" is deleting my answers. >:(
 
        
                    
             
        
        
        
First you can combine 30tu^2 and 12tu^2 because they both have tu^2 
So it would be 42tu^2 + 24tu
The answer is
6tu ( 7tu + 4 ) 
        
             
        
        
        
Answer:
4:25
Step-by-step explanation:
13:40
- 17:15
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4:25
 
        
                    
             
        
        
        
Answer:
You would make a dotted vertical line running through -6 on the horizontal or x axis. The shading would go to the left side of the line since x is less than -6 and the line is dotted because it is only less than and not equal to. 
Step-by-step explanation:
See image