How to simplify 38/4 as a mixed number in simplest form

What graph correctly matches the equation y equals two negative x

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 find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?