Problem 9
By definition,

Answer: 502.4 m
Problem 10
From geometry, the angle opposite x is 27°.
By definition,

Answer: 263.3 yd
 
        
        
        
The answer is 1. 
Because if you simplify (divide) 19/19 you get one. 
4/4 would also be 1.  Any number divided to itself will always be 1. 
Whereas 30/15 would be 2 because thirty divided by fifteen is 2
 
        
             
        
        
        
Answer: Your answer should be C) 171! Hope this helps you!
Step-by-step explanation:
 
        
             
        
        
        
It could be 28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43, or 44.