3. An algebraic expression involving integral and rational exponents is shown below. 45x5y3.62") (125x+y": 20252-171.52 Which of the following represents the simplified expression?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?