2 3 y−3+ 3 5 zstart fraction, 3, divided by, 2, end fraction, y, minus, 3, plus, start fraction, 5, divided by, 3, end fraction, z when y = 6 y=6y, equals, 6 and z = 3 z=3

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

‼️‼️‼️‼️‼️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)