I need help with 7 and 8 please

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 are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Which is the focus of a parabola with equation y2=4x