What is the union of two rays that share a vertex? (3rd question)

What is the difference between the predicted value and the actual value

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100