What do the side lengths of the area models (1,3,5,9,15 and 45) represent? (b) what do these side lengths represent? (c) what is the greatest common side length? what does it represent?

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

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