step by step method:​

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Which expression is not a polynomial?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup