What integer is represented by point F on the number line? –1 –3 3 1

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

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?

I'll give brainliest if you answer right : )