Answer:
2x+y-16=0
Step-by-step explanation:
using point slope form.
 
        
             
        
        
        
Answer:
The last choice. The red one 
Step-by-step explanation:
I'm just guessing at this point. But, by the looks of it, red does seem like it would be correct. Again, this is just a guess. So, if it's wrong I'm so sorry. Have a lovely day. 
 
        
             
        
        
        
Answer:
9 
Step-by-step explanation:
7r+18=r²
r²-7r-18=0
factorizing
r²+2r-9r-18=0
r(r+2)-9(r+2=0
(r-9)(r+2)=0
r-9=0
r=9
check
(r²)=(9*9)=81
7r+18=7(9) + 8=81
 
        
             
        
        
        
Answer:
1/3 I believe because we already know 2 of them are hearts
Step-by-step explanation:
 
        
             
        
        
        
The answer to the given question above would be option A. Based on the given map shown above which is a typical flight path between Seattle and London, the reason why the path goes over the Arctic is that, it is the shortest path. Hope this answers your question.