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Mathematics, 01.09.2019 01:00 helo55

Which of the following is a true statement? (round to the nearest tenth as needed) a if 9z = -3, then z = 0.
b if 9z = 3, then z = -12
c if 9z = 3, then z = 3
d if 9z = 3, then z = 0.
e i don't know

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