What is the length of a radius of the circle represented by the equation x^2+y^2-4x-4y+4=0

Which of the following represents the zeros of f(x) = 6x3 − 31x2 + 4x + 5? −5, one third , one half 5, − one third , one half 5, one third , − one half 5, one third , one half

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

What is the value of x in the following equation. -x ^3/2 = -27