Depends on the type and size of the page and envelope.
5/p p - 5 p + 5 p/5 1- p + 5
Free product calculation is a binary operation. You can get more information about this type of math at the Wikipedia. Once on the page, type "Cross Product Calculation" into the search field at the top of the page and press enter to bring up the information.
p+5
Persistent
Bacterium
Virus
Intxication & Poisoning
prion
Acid
prion
A biological agent
prion
prion
toxin
prion
bacteria , virus , parasite ..