Which of the following is an example of the Distributive Property? (21ah)k = 21a(hk)

3y2 + 2y2 + 6 = y2 + 6

3x + 23y = 23y + 3x

4x2(a - 3b) = 4x2a - 12x2b

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

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2