Answer: 
Step-by-step explanation:
According to the cosine rule

Here, 
Putting values

So, the ship turns by  north of west
 north of west
 
        
             
        
        
        
Even though it has not happened yet again
        
             
        
        
        
Answer:
9:30am
Step-by-step explanation:
Given data
Start time= 8:20am
Folding time= 25min
Time spent on Puzzle= 45min
Total time = 25+45= 70min= 1:10 min
Therefore the time she finishes is 
8:20+ 1:10= 9:30 am
Hence she finished by 9:30am
 
        
             
        
        
        
The third option is ordered least to greatest
        
             
        
        
        
Answer:
60 +24 = 84 
Step-by-step explanation:jjjjjhjhjhj
6 x 4 +5 x 12