Which is an example of an experiment

What is 32+4 x (16 x 1/2) -2 show your work}

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

‼️‼️‼️‼️‼️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)