How do i solve this i don't under stand what this means?

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?

If g(x) is an odd function, which function must be an even function?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42