Which equation is represented by the graph

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

One integer is 8 times another. if the product is 72, then find the integers

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?