What is 1/4 divided by 3? Please answer

What’s the domain of this function? fastttt

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

Can someone me out here and the tell me the greatest common factor