To make a long-distance call it cost $.50 and $.85 per minute. You make a long-distance call that cost $3.90. Write and solve an equation to find the length of the call.

the last choice

step-by-step explanation:

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 answer is c)8

step-by-step explanaction: