No links pls find the equation that represents the proportional relationship between in this graph

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Let r = 3. what is the value of r + 58?