Answer:
The numerator factors to 

The denomenator factors to

 
        
             
        
        
        
Answer:A line segment 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
10
Step-by-step explanation:
- plug 3 into m and plug 1 into n
- order of operations say you multiple first so you multiple 3 times 3 which equals 9
- then you add 1 and 9 which equals 10
 
        
             
        
        
        
<h3>
Answer:</h3>
A.  +-5x+14x+-35
+-5x+14x+-35
             +9x-35
+9x-35
B. 
            
C. 
              
D. 
            

Step-by-step explanation:
A. (3x*2x)+(3x*-5)+(7*2x)+(7*-5)
         Multiply and simplify. 
                  +9x-35
+9x-35
B. ( )+(
)+( -3x)+(2x
-3x)+(2x )+(2x
)+(2x )
)
          Multiply and simplify.
               
C. 
          Multiply and simplify.
                   
D. 
          Multiply and simplify.
                 
I hope this helps!
But you should really do this yourself.