In fiction a symbol can be described as a(n) —
a. mood or emotion a story evokes
b. an object that stands for something other than itself
c. comparison between two unlike objects
d. story that can be understood on more than one level

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