please help it's urgent

The demand for electric power at Hydro One over the past 7 years is shown in the following table, in megawatts. The firm found that using the Regression analysis for forecasting will give them a Slope of 8.78 and Y-Intercept of 28.45 How many megawatts you think that Hydro One expects (forecasts) for the next year's demand by fitting a straight-line trend to these data? YOUR ANSWER SHOULD BE ROUNDED TO THE NEAREST 2 DECIMALS Year Electrical Power Demand 1 74 2 79 3 83 4 86 5 88 6 91 7 96 Answ