Need this done in five omgg pls help 19 points

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

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2