This table gives a few (x, y) pairs of a line in the coordinate plane. What is the x-intercept of the line?

Which of the following statement about pascal's triangle are true?

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

What is the value of x? enter your answer in the box.