Help, please the question and thank you

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)

What is the perimeter of square abcd? units units 28 units 37 units

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?