Chemistry, pleaze help!

Consider the following equilibrium: 2NO2(g)N2O4(g)+energy The equilibrium will shift to the left as a result of increasing the volume of the container adding a catalyst. removing some N2O4. decreasing the temperature. The equilibrium constant, K, is 0.0134 for 2SO3(g)2SO2(g)+O2(g). If the initial concentrations are SO3=0.5223M,SO2=0.837M, and O2=0.4102M, which way will the reaction shift? the system is already at equilibrium there is not enough information to answer the question right left