Answer:
5/7
Step-by-step explanation:
 
        
             
        
        
        
Do you have multiple choices?
Believe its 343
        
                    
             
        
        
        
Answer:
14b
Step-by-step explanation:
2×7=14
Just put the "b" after 14
 
        
             
        
        
        
Answer:
(k+10f) (k-5f)
Step-by-step explanation:
 k^2+5kf-50f^2
What 2 numbers multiply to -50 and add to +5
10 *-5 = -50
10+-5 = 5
(k+10f) (k-5f)
 
        
             
        
        
        
Answer:
24
Step-by-step explanation:
really need more information about the subject, but im assuming its just basic addition. 
36-12=24