Answer:
   20 chairs
Step-by-step explanation:
After 136 people are seated in the bleacher, there can be 514 people seated in chairs. We know that 514 = 25×20 +14, so there can be 20 rows of 25 chairs. We require an equal number of chairs in each row, so there cannot be some rows with 21 chairs, nor can there be a 26th row with 14 chairs.
There can be 20 chairs in each row.
 
        
                    
             
        
        
        
The <em><u>correct answer</u></em> is:
AAS
Explanation:
AAS stands for "angle-angle-side."  This states that if two angles and a non-included side of one triangle are congruent to the corresponding two angles and non-included side of another triangle, then the triangles are congruent. 
In these triangles, we have ∠CAB ≅ ∠CDB given to us to begin with.  Throughout the proof, we find that ∠ABC ≅ ∠DCB.  We also have that CB is congruent to itself.  This is two angles and a side not included, so this is AAS.
 
        
                    
             
        
        
        
$42. 
13/2 = 6.5, 25/4 = 6.25, 42/7 = 6.
        
             
        
        
        
Answer:
A triangle and a rectangle
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
2/9x+3>4 5/9
Subtract
2/9x>7 5/9
Divide by 2/9
x>34
As none of the number lines represent this data, the question was written incorrectly, or there is more information.