How to solve the problem?

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

What is the value of r of the geometric series?

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls