You want to integrate along the entire bottom edge of the the wall, from 0 to 99.

Ok that makes since so the answer would be the same when you integrate it, 6,732 in.^2.
And then for part 7 the answer would be : 6732*38= 255816 in. cubed

Yes, that's right.

Awesome! Thank-you so much for all of your help tonight, I really appreciate your time!