I need help Plz I will mark brainliest
This is a 2 part question but both part are attached

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

How can you find the mean absolute deviation (mad) for this set of data?