Given the ordered pair (2,-8), assuming x and y vary directly, what is the constant of variation?

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

Can someone check my answer? you

What’s the domain of this function? fastttt