Simplify the following
Improper fraction 16/5

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?

Factor this polynomial completely x^2-64

Measures of the angle of r, 31 s (x+4) t (3x+9)