D/5 coefficient of term

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

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Which statements regarding efg are true? check all that apply.