i think ive definitely improved since i hit silver
Great
maybe its just my champion pool isnt right for this elo
No such thing. Just play what you want.
But no matter what i do i cant seem to conquer the feeders on my team and get fed enough to out damage their carrys
Maybe you're where you deserve to be. Please don't blame your team. It's not about the damage. It's about team play.
our midlaner does nothing and then they snowball how do i counter stuff like that
It's all about decision making I feel like. Even though I may win lane 90% of the time, it's not about that, it's about my decision making. I always tell my team what to do, where to do and how to do. Try using pings and spam the shit out of them, because once I was tired and my Shaco pinged once so I didn't even realize I was getting ganked. Try guiding your team if you feel you're better than them. Try using pings as much as possible and make sure they see them. Don't ping ss in your lane, no one will pay attention to that for example, ping it on their face where they will see it on their screen instead of the minimap.
I can't really give you any other good advice. It's all about working out your mistakes and improving. I'm only giving you general advice since I'd have to spectate you for a while to give you some specific advice.