The answer to this question is a and c only
Multiply 12 x 12 which is 144. And then you divide that by 6 and you get 24
You find the area of one side of the cube which is 12.25 mm and multiply it by the number of side which is 6. and the answer is 73.5 mm
(4*2)-(2*-3)+(5*5)= 8-6+25= 27
