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Mathematics 9 Online
OpenStudy (anonymous):

free medal Which expressions could be used to calculate the area of this patio? Choose exactly two answers that are correct. A. (18 • 21) – (12 • 5) B. (18 • 21) – (16 • 6) C. (12 • 21) + (6 • 15) D. (18 • 5) + (16 • 12)

OpenStudy (pandalife):

a and c

OpenStudy (anonymous):

ok

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