Find the sum of the arithmetic series.

3 + 5 + 7 + ... +(2n + 1)

On a architect's drawing of a house, 1 inche representa 1.5

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.