How do u write d dozen eggs in a numerical or varoable expression?

Numeral expression is composed of numeric constants and operation while variable expression consist of both numeric and variables constants.
d dozen of eggs converted to numerical or variable expression:
 =>  There are 12pieces of eggs in 1 dozen, so that is 12x1=12
 => Therefore, the numerical value is 12 x d or simply 12d

Find the perimeter of the figure shown above with a side length 5 units.(each figure is a square).a.10 unitsc.30 unitsb.20 unitsd.40 units select the best answer from the choices providedabcdmark this and return