Answer:
24°
Step-by-step explanation:
the total angle, made up from both a and 66°, is a mini-square, as you can see. this represents a right angle of 90°
thus, a and 66° combine to make 90°
a + 66° = 90°
subtract 66 from both sides to get a
a = 24°
 
        
             
        
        
        
Answer:
80 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
D. People said that man could not fly, but in 1903, Orville and Wilbur Wright made the first sustained powered flight in a heavier-than-air machine.
Step-by-step explanation:
 
        
             
        
        
        
Graph A.....parallel lines will have no solution because they never intersect