Lesson 1.10 5th grade go math help pls

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?

What is the value of r of the geometric series?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?