30000 cubic feet equals how many cubic meters?

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?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6