Geometry Question! Please help me with this! Worth 20 points! WILL GIVE BRAINIEST

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

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?