300 is 5% of what number

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

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?