The formula for surface area, S, of a regular pyramid is S = -5PL+B, where Pis the perimeter of the base, L is a side length, and B is the area of the base. Which equation
can be used to calculate the perimeter, P, of the base?

The amount of tears in the room (denoted by ttt) can be defined as a function of the number of people present in the room (denoted by ppp), the number of chopped onions in the room (denoted by ooo), and the deliciousness of the onions (denoted by ddd) using this formula: t =3\cdot \dfrac{p\cdot o^3}{d^2}t=3? d 2 p? o 3 ?