Can anyone me understand this?
i need understanding part b..

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?

Pls will give brainliest and all p.s u can zoom in if u cant see plss

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7