The best answer to the question that is being stated above would be that A and B are both dependent. If I was told that P(A | B) = P (B | A), then the true statement is that both variables inside would be dependent upon each other, no matter if you exchange their places with one another.
The first one is 9k cause you’re multiplying it and the second one is -18 because you’re multiplying -2 and 9
The answer to your problem is x= 43
A system of equations with one polynomial function of degree two and one linear function will have two solutions when the line intersects the parabola at two points.
A system of equations with one polynomial function of degree two and one linear function will have no solution when the line does not intersects the parabola.
A system of equations with one polynomial function of degree two and one linear function will have one solution when the line intersects the parabola at one point.