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How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample