Answer:
The ship is 25.54 miles far from the light house.
Step-by-step explanation:
It is given that A boat travels 26 miles East from a lighthouse then changes direction traveling 15° South of West for 13 miles that is :
BC=c, BA=26 miles and CA=13miles
Then, applying the cosine formula in ΔABC, we get

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⇒
⇒
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Therefore, the ship is 25.54 miles far from the light house.
The answer is 31 yards because you cant move negatively
50 percent because 30 plus 20 is 50 so 100-50 which is 50 percent of retail price
So yu look at the 0 put it in the same thing so divide that by 77 and then 98