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Halley's comet takes 5 years to complete an orbit. true or false
answered
Feb 11, 2018
Health
high-school
5
votes
225k
views
Paul is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is odd}, and let B = {the sum of the number cubes is divisible by 4}. List the outcomes in A ∪ B. {4, 8, 12}
answered
Jan 8, 2017
Mathematics
high-school
4
votes
25.6k
views
Poland, Bulgaria, and Romania were among what ?
answered
Feb 4, 2015
History
middle-school
1
vote
119k
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