About: http://webisa.webdatacommons.org/449076040

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Ease into algebra with clear instructions that simplify such concepts as real numbers, integers, properties, operations, exponents, square roots, and patterns.
http://www.w3.org/ns/prov#wasQuotedFrom	notw.com