If you answer this can you explain it

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

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b