no back-up or license plate lights

It looks like they all share a ground in the trunk and a fuse in the interior fuse block and another in the fuse block under the hood.
Use a test light to see if the fuse is blown, there is a guide below on how to do it as well as the wiring diagrams for the lights that are out

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-check-a-car-fuse

https://www.2carpros.com/articles/how-to-check-wiring