At how many points does the graph of the function below intersect the x-axis?
y= 9x^2-12x+4

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

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?

Need showing work for this problem 56.25 ×25.80