Find the radius of convergence and the interval of convergence of each power series

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?

If rt is greater than ba, which statement must be true ?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5