For the chemical reaction A + B → C, the following experimental data were obtained: Experiment [A] (M) [B] (M) Initial rate (M/s) 1 0.60 0.30 0.75 2 0.60 0.90 6.75 3 3.00 0.30 18.75 What is the overall order for this reaction? Group of answer choices zero first second third fourth