Can someone please help with this! bs answers will be prosecuted!!

Step-by-step explanation:

(-8a-7b)+9a

-8a-7b+9a

-8a+9a-7b

a-7b

This would be it 1a - 7b or a - 7b

coin flip

non-answer:

choosing

sorry if this isnt what you're looking for i dont really understand the question

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 "