Steve, Mark, Melissa, Joe,
and Mary are in a group. They
randomly line up at the door.
What is the probability that the
first person in the line is a girl?

Step-by-step explanation:

there are 2 girls

total of 5 people

probability is 2/5 which is 0.4 and 40%

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 "