Acheef cooked seven kilograms of mashed potatoes for dinner party. if the guests only ate three-quarters of the amount he cooked how much did they eat?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.