3. Reuben leared in art class that a mosaic is made by arranging small pieces of colored material such as glass or tile to create a design, Reuben created a mosaic using tiles. Then he decided on a growing pattern and created the second and third mosaics. For the first five mosaics, write the sequence that is formed by the number of tiles in each mosaic. Is this sequence arithmetic, geometric, or neither? How do you know? How many tiles will be in the tenth mosaic? How do you know?