Seperate the number 51 into two parts so that the second part is 3 more than twice as large as the first part

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

For the inequality |c| < |d| to be true, which of the following must be true?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g