(Solved): help with these two pls  An inverted pyramid is being filled with water at a constant rate of 5 ...

An inverted pyramid is being filled with water at a constant rate of 50 cubic centimeters per second. The pyramid, at the top, has the shape of a square with sides of length \( 6 \mathrm{~cm} \), and the height is \( 9 \mathrm{~cm} \). Find the rate at which the water level is rising when the water level is \( 4 \mathrm{~cm} \). \( \mathrm{cm} / \mathrm{sec} \) A circle is inside a square. The radius of the circle is decreasing at a rate of 2 meters per hour and the sides of the square are increasing at a rate of 3 meters per hour. When the radius is 5 meters, and the sides are 19 meters, then how fast is the AREA outside the circle but inside the square changing? The rate of change of the area enclosed between the circle and the square is square meters per hour.