What is another name for the line GI in the image below?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Write an algebraic expression for the word expression the quotient of c and 8

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?