I mean, you can. You are CEO, and there is AFAIK no legal restriction on you releasing details of your funding. It's just not in your interest to do so.
I didn't expect you to discuss the terms, but the amount raised doesn't really mean anything given there's no context.
It doesn't mean nothing. There's a range of equity that will be given away during any round. I don't know how high the variance is but it's probably less than 30% and more than 10%.