Answer:
7 miles southwest 
9 steps to the left 
75 mph north
Step-by-step explanation:
A vector quantity has magnitude and directions. Vector is a terminology used to describe physical quantities with this attribute. 
The opposite of vectors are scalar quantities. They only have magnitude but no direction. 
- The choices which indicates a specific direction is a true vector. 
 
7 miles south west is displacement of a body
9 steps to the left is displacement
75mph north is a velocity 
Displacement and velocity are physical quantities that are vectors