Help can someone do this

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

‼️‼️‼️‼️‼️the pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is 440 f, find the pressure exerted when the temperature of the gas is 380°f. (show work)

How far does the wijw nj jh jevh dhhb vte hbhe gvbf5wf bjehn v