How do you simplify, if possible, 3pq x 5qp?

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?

Factor the monomial completely 42a3b3

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers