Answer:
here ya go
Step-by-step explanation:
1. 20
2.1793
3. 1943
im noy to sure on the bottom ones but use ctrl f in the notes you use for this or something and type in the "transacted" or something in the question and your answer should pop up
 
        
             
        
        
        
Answer:
for the second questio it is certainly The last choice D
Step-by-step explanation:
 
        
             
        
        
        
Answer:
i don't know that on I not sure what the answer
  
        
             
        
        
        
Make use of prime factorizations:

Both terms have a common factor of 
:

- - -
The second one is not true! We can write

Both terms have a common factor of 
:

Since 
, and 
, we'd still have to show that 
 is a multiple of 6. This is impossible, because 
 and there is no multiple of 2 that can be factored out.