The sum 51 + (-37) is equal to what? -14 88 88 14

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?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Icould really use some with this question.