If x, y, and z are whole numbers greater than 1, and if xyz2 = 504, what is the value of x +y - z?

How do i do this activity, is appreciated

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

What is the value of x in the equation 2(x-4) = 4(2x + 1)?