Could I get some help plz? There's my question below :) Label the following as redox or non-redox reactions.

2 KBrO3 (s) --> 2 KBr (s) + 3 O2 (g)
MnBr2 (aq) + 2 AgNO3 (aq) --> Mn(NO3)2 (aq) + 2 AgBr (s)
PCl3 (l) + Cl2 (g) --> PCl5 (s)
Cu (s) + 2 AgNO3 (aq) --> Cu(NO3)2 (aq) + 2 Ag (s)