Below is the net of a square pyramid. What is the surface area of this square pyramid?

How do i do this activity, is appreciated

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

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?