What do you put for the verbal description - equation - and the proportionality part?

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?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a