Answer:
at first we put the numbers in order from least to greatest 
2 , 6 , 6 , 7 , 8 , 9
1st quartile = 6
median = (6+7)/2 = 6.5
3rd quartile = 8
 
        
             
        
        
        
If 7 people paid $3 per ride and road 5 times, it would be $21 dollars. You could do it 3×5=15+7=21
        
             
        
        
        
The large puppy weighs 20.97 Pounds. This is because 2/3 of a hundred is 66. You would do 4.5 Times 4.66. This equals 20.97. It can be rounded to 21. Hope this helps!
        
                    
             
        
        
        
Well start with reflecting abc over the y axis
        
             
        
        
        
2) $3.85
5)125
7)175cm
10) 10 000cm2
11) $4.10
12)4
13)575mL