What is the slope of the line that passes through the points (-1,4) , (2,9)

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)

Could someone with number 1 and 2

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way