B I think. Not 100% sure tho
        
             
        
        
        
Answer:
Dimensions = 8 CM and 12 CM 
length = 12 CM 
width = 8 cm
perimeter = 2 ( length + width) 
 = 2( 12 + 8) 
 = 2 ( 20)
 = 40 CM 
ratio = 12/40
= 6/20
= 3/10
<h2>= 3 : 10 </h2>
 
        
             
        
        
        
Answer:
9/169
Step-by-step explanation:
JQK of 4 suits = 12 cards
12/52x12/52=
3/13x3/13=
9/169
 
        
             
        
        
        

Method 1.
Use 

Method 2.

The solution to this equation is the number 8