Part B- Numeric Response - Enter your answers in CANVAS 29. Calculate the value of "a". -5 --10 30. Lou drives her truck 270 km in the same time the Dolly drives her car 250km. If Lou drives 4km/hr faster than Dolly, what is Lou's speed? km/h Use the following information to answer the next question. A football punted during a high school football game follows the path of a parabola modelled by the function h(t) = -5t2 + 15t + 1 where: t is the number of seconds which have elapsed since the football was punted h(t) is the number of metres above the ground after t seconds 31. How much time elapsed before the football reached its maximum height? Round your answer to the nearest tenth