The ratio would be 
45/100
45 to 100
45:100
Hope this helps!
        
                    
             
        
        
        
   x         55
-------- = ---------
69.50     100
69.50*55= 3822.5
3822.5/100= 38.225
x=$38.22
        
             
        
        
        
Answer:
tan 10 degrees.
Step-by-step explanation:
tan x = cot (90 - x) so:
cot 80 = cot (90 - 10)
= tan 10.
 
        
             
        
        
        
Answer:
C) 36
Step-by-step explanation:
Because 6^2=6*6=36.
 
        
                    
             
        
        
        
Answer: B
Step-by-step explanation:
A = 0/360 ×π×r^2
=135/360×π×11×11
=142.55 yd^2