Maryland and Pennsylvania
near the southern edge of PA in the center by Maryland
it is not legal
Unless you either have a valid Maryland license or are working under the license of a Maryland licensed contractor, you are in violation. HVAC systems are subject to inspection by the building codes departments and all work done on them in the State Of Maryland must be performed by an individual licensed by that state.
There is a town called Mexico in both: PA and MD.
Both, actually, but West Virginia is southwest and Maryland is southeast.
No
Yes
no.
Sadly no, Maryland does not allow sloths as pets.
It's 17 in PA.
Weed is not legal anywhere, by federal law.