Answer please I need to know

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)

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Graph the line with the given slope m and y-intercept b. m=-3,b=1