Mathematics, 10.10.2019 06:30 123abc321cbaabc

Plz will give brainliest, medal, and 10 points
of the four expressions presented here, which two are equivalent?

expression i: 19n
expression ii: 4n + 9 + n + 5n
expression iii: 10n + 9
expression iv: 9n + 9

Answers: 3

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Plz will give brainliest, medal, and 10 points
of the four expressions presented here, which...