The table represents a Proportional Relationship between the values of x and y. What is the value of the constant of proportionality?
This is the table: x y: 2 and 5, 4 and 10, 6 and 15.

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Proportions in triangles solve for x

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?