J.R. S. answered 05/01/17
Tutor
5.0
(145)
Ph.D. in Biochemistry--University Professor--Chemistry Tutor
PEMDAS
9*4 = 36
sq root 81 = 9
36/36 -9
1 - 9 = -8
Bob G.
asked 05/01/17J.R. S. answered 05/01/17
Ph.D. in Biochemistry--University Professor--Chemistry Tutor
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