Answer:
32
Explanation:
The perimeter of a figure is the sum of all the sides.
So, add up all the sides which equals the perimeter.
And we are given that the perimeter is 66. Thus:

Combine like terms:

Add 4 to both sides:

Divide both sides by 10:

So, z is 7.
And VW is 5z-3. Thus:

Our answer is 32 :)