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Which of the following is true of the commutative property under subtraction. A. 10 + 9 = 9 + 10 B. 10 – 9 = 10 + 9 C. 10 – 9 = 10 – 9 D. 10 – 9 ≠ 9 – 10

asked May 4, 2017

Mathematics
high-school

2 answers

0 votes

81.6k views

What is the role of the ozone? A. it protects earth's surface from dangerous radiations B. it reflects the sun's energy. C. it is the source of rain clouds D. it retains heat energy given up by water

asked Feb 22, 2016

History
high-school

2 answers

0 votes

131k views

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