Answer:
25%
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Model 2
Step-by-step explanation:
a solid object will have almost no movement and tightly packed particles
 
        
                    
             
        
        
        
Answer:
there is not a complete question here ...
 is not in a denominator to rationalize
 is not in a denominator to rationalize
if it were you would multiply the rational expression (the fraction) 
by  the result (in the denominator would end up being "2 -1"
 the result (in the denominator would end up being "2 -1"
which is 1 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
<4 = 63°
Step-by-step explanation:
32° + 31° = < 4 ( exterior angle of a triangle is equal to the sum of two opposite interior angles) 
<4 = 63°
Hope it will help :)