(2x6)3/4 using rational exponents

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Point m is located at (-4, -6). what is located 4 units from point m? ( its on a coordinate plane by the way. )