The population of a small town is decreasing by 2% per year. The population in the year 2017 was 3,850. By how many people will the
population decrease from 2017 to 2018? *

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex