The table shows a function. Is the function linear or nonlinear?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

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?

3.4a=57.8 what is the the value of a