Please explain the following - multiple regression and ANOVA

in the attachment:

Consider the Simple Linear Model that predicts housing prices based on square feet. Can you think of another variable you can add that would extend this model. How about bed rooms? . Multiple regression. Regression between one dependent variable and two or more independent variables 130 170 190 240 225 160 270 400 square feet 0 0 0 0 0 0 0 0 Bed Rooms 2 2 2 3 3 3 4 4 Price in kilo 180 195 200 240 260 225 300 400 dollars