So we first round the bill to the nearest ten dollars which would be : $40. 
Now we take $40 x 0.15 = $6.00
The answer is : $6 tip
        
             
        
        
        
Answer:
-18x^2 -54x + 72
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
<o=180-132=48
so,<s=24(The angle at the circumference is half of its corresponding angle at center)
 
        
             
        
        
        
Answer:
1) 9. 2) 11. 3) art and science
This is your answer ☺️☺️☺️