Which of the following quantities is a vector?

Which of the following is a vector quantity?

Which of the following vectors is equal to the cross product $r\times ab$?

A cyclist travels $3$ km east and then $4$ km north. What is the straight-line distance from the starting point to the cyclist's final position?

In the context of $\mathrm{vectors}$ and motion, what is a reference point and what is its primary function?

Given two vectors $\overrightarrow{e}$ and $\overrightarrow{f}$ as shown in Figure 2, what is the angle $\pi$ between them if $\overrightarrow{e}$ points along the positive x-axis and $\overrightarrow{f}$ points along the positive y-axis?

$Which\; of\; the\; following\; must\; be\; included\; with\mathrm{magnitude}to\; fully\; represent\; a\mathrm{vector}quantity?$

$\text{Which of the following is an example of a vector?}$

Which statement about $vectors$ is true?