CAN SOMEONE PLEASE HELP ME ASAP I NEED TO DO GOOD ON THIS TEST

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?

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Which is the completely factored from of xy^3-x^3y