X = 8
because 8 x 2 = 16
16 - 9 = 5
5 x 3 = 15
I think Sam is correct cuz SQ is a bigger rectangle and for OM it is smaller and we only know the width
A steel cylinder with a moveable piston on top is filled with helium (He) gas. The force that the piston exerts on the gas is constant, but the volume inside the cylinder doubles, pushing the piston up.
Which of the following answers correctly states the cause for the change described in the scenario?
The temperature increased.The density of the helium atoms decreased.The pressure decreased.The helium atoms increased in size.
