What is the point of intersection of the x-axis and the y-axis called?

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Which of the following equations is equivalent to x/3-6/x=1

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.