A home appraisal company would like to develop a regression model that would predict the selling price of a house based on the age of the house in years​ (Age), the living area of the house in square feet​ (Living Area) and the number of bedrooms​ (Bedrooms). The given Excel output shows the partially completed regression output from a random sample of homes that have recently sold. Which group of independent variables is significant in this model using alphaαequals=​0.05?