i need to show that the data fit closely with the linear relation W=mA+c, and determine the constants m and c?

the data in the table is as follows:

A: 20, 22, 30, 34, 42, 43, 46, 54, 56, 68, 70

W:0.08, 0.10, 0.15, 0.20, 0.27, 0.26, 0.31, 0.36, 0.40, 0.49, 0.49