Intelligent people have me A part of the learning curve But when you destroy me It sounds like you found me. Did you find out?

While i was going to the Ardennes, i saw a man and seven women. Every woman was carrying seven bags. In every bag there were seven cats, and every cat had seven kittens. How many were going to the Ardennes?

I can be a support, hold things together, or help open and close. I enclose words in a sentence or symbols in an equation. In March, you might join the madness and fill me out.

I'm completely odd, except at my start. I go on forever, although humanity has mapped me to forty-one million numbers in length. While no pattern exists to define me, a theorem exists to predict my distribution. This riddle reads hard, but truly I'm the only divisible answer.

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, eight cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?