A. Calculate the water pressure of a solid at a depth of 75 cm from the clear surface of the water. B. If mercury is replaced, how much mercury is applied to the solid? The mass of water is 1000kg / m3 and the mass of mercury is 13600kg / m3.

What is the perimeter of square abcd? units units 28 units 37 units

True or false look at the picture pls : /

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?