Answer: 
Georgette did not complete the factorization; 9 is a composite number.
Step-by-step explanation:
9 can be broken down to 3x3
So it the prime factorization of 72 should be 2x2x2x3x3
 
        
             
        
        
        
Answer:
90%
Step-by-step explanation:
9/10's of the two rectangles are shaded and 9/10 = 90%