Please be detailed with answers

The following table shows the hot dogs bought from a street vendor over the course of eight days ("Demand"). Also shown is the temperature for each day in degrees Celsius. Complete parts a and b below. Temperature (C)| 20 9 24 20 6 11 16 22 Demand 48 32 36 40 17 21 44 33 a. Calculate the slope and y-intercept for the linear regression equation for these data. y = [+ () x (Round to two decimal places as needed.) b. Predict the demand for hot dogs on a day with a temperature of 15 C. The predicted demand for hot dogs on a day with a temperature of 15 C is (Round to the nearest integer as needed.) Enter your answer in each of the answer boxes