There are 30 students in the school chorale, and 12 of theses students can stay after school today to prepare the stage for the concert. what fraction of the students in chorale can stay after school today? write the fraction in simplest form.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + 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

Which is f(5) for the function –2x2 + 2x - 3?