Name the point of concurrency of the angle bisectors.

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

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?