Boyle's law says that the volume of a gas varies inversely with the pressure. when the volume of a certain gas is 7l, the pressure is 410 kpa (kilopascals). what is the volume when the pressure is 287 kpa?

The number of pages in the u. s. tax code exceeds the number of pages in the king james bible by 18,528. the combined number of pages in the tax code and the bible is 21,472

When y’all answer can y’all explain too !

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?