An Arrow with a Magnitude and Direction

What is this Equation: $a^2+b^2=c^2$  

A method used to add vectors together

Which one of these does not show an example of Tip to Tail method?

The Amount or Value

Velocity is an example of a

Time is an example of a

What is the sum of multiple vectors called?

If a car moves 12 miles North, 19 miles East, and 12 miles South, what is its displacement?