Mac earns 4927 bimonthly. how much does he earn per year

In what form is the following linear equation written y=9x+2

Which statements about these triangles is true

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