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OpenStudy (anonymous):
Simplify the expression http://static.k12.com/packages_final/files/media/mathml_44536aeab3c62ed830d834ddfb4a4631831e11c8_1.gif A.–90 B.–20 C.4 D.34
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OpenStudy (anonymous):
it is B)-20
OpenStudy (anonymous):
thanks @unkownbeast911
OpenStudy (anonymous):
your welcome
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