What is 999,065,799,823,200x 456,991,673,009,768,111?

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

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

How do you solve a question like this?