When might it be important to know a currency's exchange rate? when planning expenses for an overseas trip when changing money into smaller denominations when preparing to buy something expensive when deciding which college is the best value

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "

the answers are in the images, i received 100% on this assignment. hope this !