Answer
a) P=0.149.
b)0.098
c)0.049
Work Step by Step
a) We can get the P-value of the multiple regression equation by the Analysis of Variation section, hence: P=0.149.
b) The value of the multiple coefficient of determination ($R^2$) is represented as R-Sq, which is 9.8%=0.098.
c) The adjusted $R^2$ value is represented as R-Sq(adj), which is 4.9%=0.049.