Describe the error in the work shown.

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 describes horizontal cross section of the right rectangle 6m 8m 5m

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?