What is the difference between aub and anb in a venn diagram? ?

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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?