Solve for a
a - 15 = 40 – 3

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 absolute value of the complex number -4-sqrt2i

Identify the number 127 as a rational or irrational. explain