Estimate 9 1/7 - 2 7/8 and then write the answer in simplest form | show your work!

Drag each sequence of transformations to the correct location on the table. classify the sequences of transformations based on whether or not they prove the congruency of the shapes by mapping shape i onto shape ii. plz i'll rate u 5 stars need this done for a mastery test

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation