Y=10/x Y=1/3(x-4)^2+2 solve for system of equations

Which fraction below is equivalent to 10/12?

Write the factored form of this trinomial 9x^2+18x-7

‼️‼️‼️‼️‼️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)