The gas mileage $m(x)$ (in mpg) for a certain vehicle can be approximated by $m(x)=-0.028 x^2+2.598 x-35.022$, where $x$ is the speed of the vehicle in mph.

ADetermine the speed at which the car gets its maximum mileage. Round your answer to the nearest mph.

BDetermine the maximum gas mileage. Round your answer to one decimal place.