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<http://webisa.webdatacommons.org/409122074>	<http://www.w3.org/ns/prov#value>	"[Show all work, including the equation and substitution with units.] Essay 30. ..." .
<http://webisa.webdatacommons.org/409122074>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wpracetech.com> .