The rest of the problem c) What does the equation predict for the number of hours the phone will last at a brightness level of 59?hoursd) What is the residual for the point (59,7.8)?hours

Kenny is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of 0-100). His data is displayed in the table and graph below. Brightness Level (x) 15 22 36 38 59 63 93 94 Hours (y) 6.2 2.7 4.8 6.9 7.8 1.6 3 2.7 H 10- Hours 10 20 30 40 50 60 70 80 90 190 17 Brightness Level a) Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the equation. b) Interpret the slope in context. O Kenny should expect -0.0305 brightness level per hour. O Kenny should expect -0.0305 hours per brightness level. c) What does the equation predict for the number of hours the phone will last at a brightness level of 59