I need part A and B thank you

"Question 5 (Essay Worth 10 points) (06.05. 06.06 MC) In a study of the performance of a new engine design, the Weight \"of 18 trucks an tons) and the top speed (In mph) were recorded. A regression line was generated and shown to be an appropriate description of the relationship. The results of the regression analysis are below. I Depend Variable: Top Speed - _ Variable Coefcient 3.0. of Coeff t-ratio ' prob Constant 3.221 5.076 0.63 ' 0.535 Weight 0.5480 0.1056 , 5.19 0.000 Part A: What is the LSRL based on the analysis provided? Make sure to identify what the Variables represent in the context of the problem. (4 points) I Part B: What is the predicted value for the top speed of a truck if its weight is 100 tons? Shaw your work. (6. Points")