Kindly tell me the roots of the equation x^4+42x^2+16x-357=0

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

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To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers