Answer:
 the square of the length of the hypotenuse equals the sum of the squares of the lengths of the other two sides.
 
        
             
        
        
        
Think of 2 times 2
You would duplicate 2 two times 
8 times 8 is 64 
6 times 6 is 36
It’s kind of just adding an integer (any number) to the integer that is stated after it
        
                    
             
        
        
        
Yes they are equivalent because their ratio is 9
81/9= 9
63/7=9
        
             
        
        
        
Answer:
(c)- 4/13
Step-by-step explanation:
There are 4 types of cards in a ordinary deck clovers, diamands, hearts, and spades
each set has 1 seven each, so 4 sevens total. 
Also, each type of card has 13 different cards in it
so, your answer is 4/13
 
        
             
        
        
        
It is very unlikely that the children will be able to digest lactose.