A because:
B =(-16) & 16
C=16 & 20
D= 16 & -16
Evaluate absolute value first.
|-4|=4
|2|= 2
Rewrite equation
3-4-2
-1-2
-3
Final answer: -3
Assuming no cubes are hidden from view, the base view (as if you're looking from underneath the figure) would have a 2 x 2 square of cubes, plus one at the top. This means that your correct choice would be the one I've attached.
C. 1/5 is the fraction of employees that work part time.