What is the answer to this equation

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !