Please help! It will be greatly appreciated: Will award medal or fan you!!!

Write an equation for the line of fit.

River Width (m): 15, 18, 20, 28, 30, 32, 38, 40, 42, 45
( the numbers all match with one another. ex: 15 and 12.6, 18 and 10.7, etc.)
Water Speed (km/h): 12.6, 10.7, 11.2, 9.7, 8.1, 8.7, 6.9, 5.4, 3.9, 4.1

Question

Please help! It will be greatly appreciated: Will award medal or fan you!!!

Write an equation for the line of fit.

River Width (m): 15, 18, 20, 28, 30, 32, 38, 40, 42, 45
( the numbers all match with one another. ex: 15 and 12.6, 18 and 10.7, etc.)
Water Speed (km/h): 12.6, 10.7, 11.2, 9.7, 8.1, 8.7, 6.9, 5.4, 3.9, 4.1

lilai3 · Answer

|dw:1364751933538:dw|
like this.
so the problem is asking  to write an equation for the line of fit.
please help