Find the measure of the indicated side or angle. A) find the angle BEC to the nearest degree.

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

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Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?