There must be more students in the class, and most of the class must have scored lower then Paul and his friends. I could be wrong, but I hope this helps! :D
        
             
        
        
        
Answer:
13in
Step-by-step explanation:
13in because if you add all 
 
        
             
        
        
        
we conclude that the center of the circle is the point (-5, 0).
<h3>How to find the center of the circle equation?</h3>
The equation of a circle with a center (a, b) and a radius R is given by:

Here we are given the equation:

Completing squares, we get:

Now we can add and subtract 25 to get:

Comparing that with the general circle equation, we conclude that the center of the circle is the point (-5, 0).
If you want to learn more about circles:
brainly.com/question/1559324
#SPJ1
 
        
             
        
        
        
Answer:
C. 30.
Step-by-step explanation:
Each cube has a volume  of 1 * 1* 1 = 1 cu cm.
The answer is 30 unit cubes because 30 *1 = 30.
 
        
             
        
        
        
There could be lots of answers. I'm going with 5 goats and 7 ducks.