Fernanda has a collection of 200 seashells from corpus christi she gage her sister one-fifth of her collection how many seashells does she have left

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?

Can anyone me with 32,33,36,37,and 40.

What can you determine about the solutions of this system