I need to get these right because all related to this I am getting wrong. What am I doing?

Question 18 2 pts Report the statistical value you used to determine the practical significance of the model. Coefficients: Estimate Std. Error t value Pr(>|t[) (Intercept) -1.421e+02 4.834e+00 -29.393 |t|) (Intercept) -1.421e+02 4.834e+00 -29.393 |t|) (Intercept) -1.421e+02 4.834e+00 -29.393