5. Find a number such that -64 is 12 more than four times the number.​

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 the value of cos330°is√3/2 then find cos 165°.

Find the measure of angle c in the following triangle.