Try to use Socratic or Photomath
Answer:
Cm
Step-by-step explanation:
The areas are in sq. cm
Answer:
The correct option is (b).
Step-by-step explanation:
The formula for the side of a cube of surface area SA is as follows :

When SA = 180 m²

When SA = 120 m²

Difference,

So, the correct option is (b).
Answer:
I think most of the time it might be bots or the person might not know the answer and simply want the points, if you have a question I can take a look at it though.
Answer:
34.65$
you just subtract the 13.8$ from the 48.45$