What does 15x represent in this equation?

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

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Rounded to the nearest tenth, what is the value of x