Question

!!!!! PLEASE HELP!!!!!!
The atmospheric pressure p on a balloon or an aircraft decreases with increasing height. This pressure, measured in millimeters of mercy, is related to the height h (in kilometers) above sea level by the formula p=760e^-0.145h

a) find the height of an aircraft if the atmospheric pressure is 370 millimeters of mercury.
Height if the aircraft is _______ kilometers
(Round two decimal places)
b) the height of a mountain if the atmospheric pressure is 509 millimeters of mercury.
Height of the mountain is _____ Kilometers
(Round two decimal)