What line is perpendicular to the line 6x+y=-4

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

Prove that quadrilateral is a rhombus.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?