A sample is best defined as 'a smaller group selected from a given population'.
It looks alright to me but i would check it again see if you missed anything <span />
Answer:
309 inches squared
Step-by-step explanation:
bottom face: 40
left face: 96
right face: 104
front face: 30
behind face: 30
add them up
11x11 = 121
121+11 = 134
134-11 = 123
The answer is 123