Any help is appreciated greatly

Complete the following table for the reaction 2R(g) + 3(g) + products. The reaction is first-order in Rand second-order in S. [R] [S] k rate(mol/L-min) 0.200 0.200 1.49 X X 0.633 0.42 0.833 0.100 x 0.298 0.162 0.0500 0.0911 X 0.00624