I need help ASAP!! Its due shortly, please answer both, I'll give double points since its two questions.

For number 2 it is C.

Number 3) he is not correct beacuse a positive divided by a negative number is a negative number  

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 "