How do I solve these vector operations without coordinates

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

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid