According to the dichotomous key, stentor would be a member of the kingdom

A) Animalia.
B) Fungi.
C) Plantae.
D) Protista.

answer: 0.20

explanation: this can only be the answew because all the other measuremnets are not close

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

option number c is the right answer.

this would be about 43%