Absolute value of -23/7

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis. how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

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

Which of the following contains a variable?