Ayu

I have this chart thing made for french with all the months, and I basically have to list down holidays and stuff which occur in those months and that too in French. So this is what I have so far, and please add anything that I don't have. Thanks *I also...

Is there a connection or correlation between an increasing interval and a concave up interval? Explain?

I am the largest 5 digit number where no number is repeated.I am... please help

what if instead of 21 its 24?