I think it's need to be a graph right?
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
What do you mean?
 
        
             
        
        
        
Answer:
7x^2 -5x + 4
Step-by-step explanation:
5x^2 – 6x+2
- (-2x^2 - x - 2)
We got 5x^2 - (-2x^2) = 5x^2 + 2x^2 = 7x^2
-6x - (-x) = -6x + x = -5x
2 - (-2) = 2+2 = 4
So the equation would be 7x^2 -5x + 4
Hope this help :3
 
        
             
        
        
        
Answer:
1.18b 
Step-by-step explanation:
Jacob had lunch at a restaurant and his bill was b.
Now, Jacob leaves 18% of his bill amount as a tip.
So, the tip amount at the rate of 18% of the bill amount will be  
Therefore, the total cost of Jacob for the lunch will be b + 0.18b = 1.18b. (Answer)