PLEASE ANSWER ALL PARTS!!!! And please show your work :)

Part A)

Using the gridlines, Lewy identified that (0.225,3.08) and (0.285,5.92) both lie on the trendline. Use these two points to calculate the y-intercept. (Answer to 4 Decimal Places)

Part B)

Maeve plotted her data from Experiment CLK and obtained the equation y=7,320x-17.1 for her trendline. Using Maeve's equation, what is the activation energy, E_a, in kJ/mol for this reaction? (Answer to 4 Decimal Places)

R=8.314 J mol^-1 K^-1