Please answer this correctly!

Let C. Answer what is being asked. U={p.a.t.h.f.i.n.d,e.r} X={p.a.n.t.h.e. r} Y=ff₁a₁t₁h₁e₁r} Z = {fin, d, e,r}

Solve the following!
1. YUZ
2. Y'
3. XUYUZ
4. (Y-Z)UX
5. (X0Y)-Z​