Use the Pythagorean theorem to find the missing length in the right triangle

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

Triangle knm is what is true about the sides of knm

Find the value of x for which line a is parallel to line b