One year after graduating from college, sam earned $42,000. each year, he earned $4000 more. what function, written in sequence notation, models sam’s earnings n years after graduating college? an=38,000n+4000 an=4000n+46,000 an=42,000n+4000 an=4000n+38,000

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