QUICK QUESTION PLEASE HELP, how do I write this math term?

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 two numbers if their sum is 91 and the ratio is 6: 7?

How do you do the foil method with polynomials?