Answer:
416.7pounds
Step-by-step explanation:
Given parameters:
Weight of the small box = 125pounds
Unknown:
Weight of the larger box = ?
Solution:
The large box weighs
times as the small box:
So;
= 125pounds x 
= 416.7pounds
V=V of cube- V pyramid= 8^3- 7^2*8/3=512-49*8/3=512-130,67=381.33 cm^3
Honestly I don't know congruent so congrats I can't answer sorry
Need a photo of the graph to help.