Answer:
4/3/8
Step-by-step explanation:
12/1/2-8/8/1
=25/2-65/8
=100-65/8
=35/8
=4/3/8
 
        
                    
             
        
        
        
All real numbers greater than or equal to -3
        
             
        
        
        
Answer:
5:20
Step-by-step explanation:
There are 5 black marbles and 20 brown marbles. 
You would put black marbles (5) first, because it came before brown (20) in the list. 
 
        
                    
             
        
        
        

 can be simplified to by adding the 7 and 10 to get 

.

 cannot be simplified any more by combining like terms.
By distributing the 2b into the parentheses, you can simplify the expression:

Here you can just add:

Thus, the only expression that cannot simplify any more using adding like terms is the second, 

.
 
        
                    
             
        
        
        
12 • 4 = 48
25% of his mom's age is benny's age