Answer: look at the picture 
Step-by-step explanation: Hope this help :D
 
        
             
        
        
        
Answer:
x = 15 , y = 105 ,z= 105
Step-by-step explanation:
i dont think you need explanation for all this 
 
        
             
        
        
        
Dana wants to find the sum 
   3 4 6
   4 2 1
 +1 5 2
________
 We will not regroup this ones place because the sum of the digits in the ones place is not up to. It's just 6+1+2 = 9.
Therefore, 13a) No.
There is no regrouped tens to add, so we would not able to regroup the ones place.
Therefore, 13b) No.
We regroup the tens place because the sum of the digits in the ones place is upto to 10.
And 13c) Yes.
We add the regrouped hundred as we regrouped the ones place.
Therefore, 
13 D) Yes.
 
 
        
             
        
        
        
Answer:
1308
Step-by-step explanation:
multply 
109 by 12
giving you 1,309 
equation: 109×12
 
        
                    
             
        
        
        
Answer:
x + y = 64
x = y + 14
Step-by-step explanation:
Given:
Total number of student = 64
x = number of students in filmmaking club
y = number of students in yearbook club.
Computation:
So,
x + y = 64
And,
x = y + 14
So
Number of students in yearbook club = 25
Number of students in filmmaking club = 39