Graph with the boundary line x-4y=8

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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?

Prove that 16^4-2^13-4^5 is divisible by 11.