Answer:
D 
Step-by-step explanation:
the company is it a big company with you in my neighborhood that is a lot more expensive and more expensive to 
 
        
             
        
        
        
Normally 7 envelopes but on rare occasions, there may be more due to If the packages are filled with Envelopes. Also depending on if the 7 packages are boxes of envelopes, and in that case, 140 envelopes times 7, which would be 980 envelopes in the 7 packages.      140 * 7 = 980.
        
             
        
        
        
Answer:
The answer is A, (1,2). 
Step-by-step explanation:
Hope this helps! 
8x-4(x+1) = 0
x =1
y = 1 + 1
y = 2
(x,y) = (1,2)
2 = 1 + 1
8 x 1 - 4 x 2 = 0
Simplify
2 = 2
0 = 0
Solution = (1 , 2)