
1. 
Everyone indicated that the OpenStreet map was correct around their homes.

2.
Geocoding translates between human-readable text-formatted addresses and the geographical coordinates associated with those addresses.

3.
You need to install openrouteservice, referenced in the text and available here: 
https://giscience.github.io/openrouteservice-r/index.html

You probably need quotes around the key.

Good - We won't use or publish your ID. 

7.
I'll accept Boolean or logical as well, but the text refers to such functions as predicates.
