The school store sells 24 pens for $4.80 which is not a unit rate to describe this sale?

Witch represents the inverse of the function f(x)=1/4x-12

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

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