Someone help me out please

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

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Find the value of x for which line a is parallel to line b