The volume V of a fixed amount of gas varies directly as the temperature T and inversely as the pressure P. Suppose that V=70cm3 when T=420kelvin and P=18kg/cm2. Find the volume when T=140 kelvin ans p=7kg/cm2

4. find the geometric mean of 4 and 12. 24 8

For the equations below which statement is true ? -2x=14 6x=-42

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.