The rate of getting two heads is
(1/2)*(1/2) = 1/4 = 25%
        
             
        
        
        
36 pairs
because 2 spots = 1 pair 
so 2x=72
and your answer will be 36 pairs
        
             
        
        
        
Answer:
 perimeter is the length of the outline of a shape.
he circumference is the perimeter of a circle or ellipse.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
False
True
False
False
Step-by-step explanation:
1. We have to get the sum as follows :

= 
= 
= 
= 
So, this is false.
2. We have to get the sum as follows :

= 
= 
= 
= 
So, this is true.
3. We have to get the difference as follows :

= 
= 
= 
= 
So, this is false.
4. We have to get the difference as follows :

= 
= 
= 
= 
So, this is also false. (Answer)
 
        
             
        
        
        
Answer:
y = 8
Step-by-step explanation:
Step 1: Write out equation
13 + 3y = 37
Step 2: Subtract 13 on both sides
3y = 24
Step 3: Divide both sides by 3
y = 8