Solutions for x2-7x-330=0

Anew fountain in the shape of a hexagon will have 6 sides of equal length. on a scale drawing, the coordinates of the vertices of the fountain are: (7.5,5), (11.5,2), (7.5,−1), (2.5,−1), (−1.5,2), and (2.5,5). how long is each side of the fountain?

What is negative 3/9 times negative 2/8 ?

2pointswhat is the best next step in the construction of the perpendicular bisector ofab?