Answer:
-6w-22
Step-by-step explanation:
-3(2w+6)-4=
= -6w-18-4=
= -6w-22
 So,choose C (none of the above) :) 
 
        
             
        
        
        
The third option, 100* 
making it an abtuse triangle
If incorrect, sorry
 
        
             
        
        
        
Cosine(O) = Adj / Hypo
Plug in numbers to find the ratio
Hope it helps
        
             
        
        
        
Answer:
A
Step-by-step explanation: