The answer should be C 20
        
             
        
        
        
It is answer choice A because you have to take the the GCF of each number which is 2x. Then if you were to divide the numbers by 2x you would put those numbers in the brackets. 

 because 

 and 

 and 
 
 
        
        
        
Answer:
Área: 6x2=12, 2x3=6, 10x3=30, 30+6+12=48; <u>área = 48</u>
Perímetro: 10+3+6+2+6+5+2+3+2+3=42; <u>perímetro = 42</u>
 
        
             
        
        
        
The student is off by a power of 10
The answer is 3 x 10^12
        
             
        
        
        
If your aloud to change number it would be 95 Divided by 4 equals 23 because 95 divided by 4 makes 23
If not then 95 divided by 4 equals 21