Which is the equation for a machine’s efficiency?(1 point) Responses Efficiency=output energyinput energy . 100 Efficiency=output energyinput energy . 100 Efficiency=input energyoutput energy ⋅ 100 Efficiency=input energyoutput energy ⋅ 100 Efficiency=input energy−output energy Efficiency=input energy−output energy Efficiency=input energy+output energy