The axis of symmetry for the graph of the function f(x)=3x^2+bx+4 is x = 3/2. What is the value of b?

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

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?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*