Which expression is equivalent to 2x - 17?

answer asap

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)

If m 17 27 90 63 ** picture is attached

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left