Sevenhundred and eighty thousand
Answer:
........................
Step-by-step explanation:
SA = 900cm^2
SA = 6×(s^2), where "s" is one side or edge of each square surface face
900 = 6s^2
150 = s^2



So each side is

The volume (V) of a cube is:
He will need about 100 in^2
The right chose is -9x+3= the others are not hope this helped