Mark invited ten friends to a party. Each friend brought three guests. How many people came to the party, excluding Mark?

40

Step-by-step explanation:

Mark invited 10 friends to a party.

Each friend brought 3 guests.

How’s many people came to the party?

If each friend brought 3 guests , that would mean that each friend was 4-man,

so 4 x 10 = 40

Therefore, 40 people were present at the party

x = -2

y = 848

step-by-step explanation:

plug in the numbers

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 "