There is a line and a parabola in the graph. 
So, we will get the solution set from the point of intersection of both line and parabola. 
Notice that the parabola and the line intersecting at two points E(1, 5) and C(-0.5,2).
So, the solution set is E(1, 5) and C(-0.5,2).
 
        
             
        
        
        
Answer:
I'm sorry pls retake the pic really quickly.. I can't see the entire problem!
Then I'll add my answer if I can! Thx!
 
        
             
        
        
        
Answer:
2.8
Step-by-step explanation:
You have to divide 0.42 by 15%.
0.42 / 15% = 2.8
 
        
             
        
        
        
Answer:
I don't understand the "table."  I'll assume x increases over a range of values.
Step-by-step explanation:
See attached table.
 
        
             
        
        
        
-12, sorry but I’m not really in the mood to explain but Bc they’re both negative you add them.