Question

Which of the following statements is true?

A.
The components of a vector must be nonzero.
B.
A vector’s magnitude is equal to the sum of the squares of its components.
C.
The magnitude of a vector is never negative.
D.
The direction of a vector is always less than the magnitude.

Answer 1

d i think it's d

Answer 2

is this geometry? if it is, i have no idea