Company A offered $10,000 initial salary with a $5,000 annual raise. Company B offered a $20,000 initial salary with an annual raise of $3,000. After how many years will you have the same salary? What will that salary be?

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