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The trees in a peach orchard were arranged in a square array with $N$ columns and $N$ rows. To enlarge the orchard by one row and one column to make a larger square, the owner bought and planted 29 more peach trees. How many trees are in the orchard after...

Three people's first names are Josie, Nicki, and Sara. Their last names are, not necessarily in that order, Croll, Liu, and Menkin. Their favorite colors, not necessarily in order, are red, yellow, and blue. The number of letters in each person's favorite...