"Following from Part 1, this second part of "Creating OER and Combining Licenses" explores the challenges of using and remixing open educational resources (OER) with different Creative Commons licenses in a derivative work. It examines the restrictions of each license element, and illustrates how solutions can be found when licenses are incompatible."
This online tool will help you make a determination about the fair use of individual materials. Disclaimer: "Only a court of law can definitively rule on whether a use is fair or unfair. This tool does not assume or predict a court outcome." (American Library Association).