Simplify.
9(y + 7)
63y
7y + 9
9y + 63
16y
...
Answers: 3
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An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?
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Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.
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In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?
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