1- The tire of the airplane is inflated at sea level to 60 psi. Assuming the tine does not expand, what is the pressure within the tire at elevation of 40,000 ft. Assume standard atmosphere. Express the answer in psig and psia.

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)