Signs of fatigue while driving include a. sore eyes and muscles b. lapses in short-term memory c. sore eyes, sore muscles, and lapses in short-term memory

C. Sore eyes, sore muscles, and lapses in short term memory

Explanation:

Fatigue refers to an overall feeling of tiredness or a lack of energy in accomplishing tasks, e.g. driving.

Causes of fatigue while driving  include;

Symptoms of fatigue  while driving

Fatigue is easy to detect, with symptoms including:

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west