The sum of twice a number and 1 is -3, find 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?

What is the rotational symmetry of a wheel

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?