The simplified ratio would be 4 to 1! hope this helps :)
        
             
        
        
        
Step-by-step explanation:

 
        
             
        
        
        
Answer:
A
Step-by-step explanation:
 
        
             
        
        
        
Answer:
n = 12 , m = 5 
Step-by-step explanation:
since it is said it is a parallelogram so opposite sides are equal 
n = 12 (being opposite sides of parallelogram) 
m + 1 = 6 (being opposite sides of parallelogram) 
m = 6 - 1
m = 5
Hope it will help :)