Yes with 6' or shorter leash. But I don't think it's being watched so hardcore that anyone is going to notice a longer leash. And if separate from anyone, a well trained loose dog playing fetch. Only an officer might say something, but I even doubt that.
Well behaved dog can be without a leash.
Yes, w/a leash.
Not sure probably
If you have your dog on a leash.
Thanks! Your answer is awaiting moderation.