A serving of mashed potatoes is 4oz., the Edible Yield for the potatoes is 72%. How many pounds of raw potatoes should you order to serve 500 people?

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares