What is the measure of Arc AD if the angle in the arc is 120

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?

Through non-collinear points there is exactly one plane.

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?