write an expression for the sequence of operations decided below raise 3 to the 8th power, then add 9 to the result​

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

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?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x