Rachel is putting her 177 CDs into new cases. She has already put 27 of those CDs into new cases. The CD cases come in packages of 25. a) Write an equation that can be used to determine the number of packages, p, Rachel still needs to purchase.
b) How many packages does she still needs to purchase?

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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the answer is a) a healthy economy because it results from a steady rise in demand.