Answer:
1st step
Step-by-step explanation:
7/10 is greater than 1/2
3t + 15 + 5t - 2t - 4
6t + 15 - 4
6t + 11
Answer: 
Step-by-step explanation:
According to the cosine rule

Here, 
Putting values

So, the ship turns by
north of west
Answer:
p = <u>T</u> - a - <u>b</u>
Step-by-step explanation:
Hope that helps, not sure if it is correct though.