Two ships leave a harbor at the same time. One ship travels on a bearing Upper S 13 degrees Upper W at 18 miles per hour. The other ship travels on a bearing Upper N 75 degrees Upper E at 10 miles per hour. How far apart will the ships be after 3 hours?

C. i believe it is (5×(-20))+(100×(0.7))

Idon’t know what the answer is i wish i could

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?