Which two fixed points define the shape of an ellipse?

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?

Find an equation for the linear function which has slope -10 and x-intercept -7

What is the measure of angle x? a.101 b.158 c.44 d.79