Can someone help me with these 2 questions I'm stuck on them and I need to complete it for a test

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

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)