Mike put sports books on 13 of his bookshelf. He put history books on 14 of the bookshelf.
What fraction of the bookshelf did not have sports books on it?
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Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

What is the sum of the first 8 terms of the geometric series