Helmet cut a piece of paper into a rhombus to use as part of a costume. what is the area of the piece of paper

Match each function with its rate of growth or decay

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?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.