Answer:
7z + 84
Step-by-step explanation:
Multiply 7 times z and 12 
 
        
                    
             
        
        
        
Mr. Ramirez can use many different group sizes, but the largest group size possible is 8.  This results in 16/8=2 sixth-grade groups and 24/8=3 seventh-grade groups.
        
             
        
        
        
Answer:
-5
Step-by-step explanation:
2 - 1 = 1
5 - 10 = -5
-5 divided by 1 = -5
 
        
             
        
        
        
Hello!
To factor you find the biggest number they can be divided by
The biggest number that all the number can be divided by is 10
You put that outside parenthesis
10()
Divide the expression by 10
3 + x - 4y
Put the two together
10(3 + x + 4y)
Hope this helps!