Find the radius if the diameter of a circle 12 centimeters

Find two rational expressions that have the difference of 2-n/n-4

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

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