Ihss backpay and just working for ihss

I’m stressing over all this the back pay that I haven’t even got yet n wen I’m officially gonna be set as a provider.i get walfare for me and my family were a family of 10 and are IRT is 7000 idk how much I’m be getting a month or back pay and what’s gonna happen.like do I have to give them my backpay ?