Calculate the length marked with a '? '

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Which statements about these triangles is true