The cost of one sandwich is $3.90 
The cost of one deknk is $1.50
hopefully this is correct 
 
        
             
        
        
        
The answer is D hope this helps
        
                    
             
        
        
        
Answer:
17.7
Step-by-step explanation:
angle B = 180 - 81 - 65 = 34 degrees
as the sum of all angles in any triangle is always 180 degrees.
a/sin(A) = b/sin(B) = c/sin(C)
the sides are always on the opposite side of the angle. 
so, 
10/sin(34) = AB/sin(81)
AB = 10×sin(81) / sin(34) = 17.7
 
        
             
        
        
        
it is the measurement of the positions, motions, and magnitudes of stars.
 
        
             
        
        
        
Answer: Y=3, X=-2
Step-by-step explanation: