I think it might be c or A
        
             
        
        
        
Answer:
Below.
Step-by-step explanation:
a = 37 degrees ( vertical angle to 37 )
c =  180 - 37 = 143 degrees (adjacent angles add up to 180).
b = 180 - 37 - 109 = 34 degrees   (angles in a triangle sum to 180 degrees).
 
        
                    
             
        
        
        
Answer:15
Step-by-step explanation:
Hi I'm lala my sister does this alot I wanna retry it did I get it right I guessed
 
        
             
        
        
        
Answer:
Step-by-step explanation:
x²+2 ×x×5+5²=-20x+2×x×5-3
(x+5)²=-20+10x-3
(x+5)²=-10x-3
 
        
             
        
        
        
Multiply the amount of the bill by 15%:
37.80 x 0.15 = 5.67
A 15%  tip would be $5.67