What are the three formulas which describe the relationship between mass, force and acceleration?

I already know acceleration. I just need mass and force.

Acceleration = Net Force/Mass

Mass = ?

Force = ?

This equation is one of the most useful in classical physics. It is a concise statement of Isaac Newton's Second Law of Motion, holding both the proportions and vectors of the Second Law. It translates as: The net force on an object is equal to the mass of the object multiplied by the acceleration of the object

Mass = Force / acceleration

Force = Mass x Acceleration

Just do some linear algebra with the variables and you should get these results!