Can any one figure this out?

(hurry! ) which expression is equivalent to the following complex fraction?

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)

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.