Answer:
I think is D
Step-by-step explanation:
 
        
             
        
        
        
0.405, 0.45 , 0.5 , 4.5 : Least to greatest!
        
             
        
        
        
307.85
-40
-9.50
-41.75
+23.75
-4.62
=235.73$
        
             
        
        
        
Answer:
It forms a 90 degree angle
Step-by-step explanation:
Since a circle is 360 degrees, 1/4 of that would be 90.