What is the ratio 8 to 72 expressed as a fraction in simplest form?

Twelve friends shared 8 small pizzas equally.how many pizzas did each person get?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?