Scores on a history test have average of 80 with standard deviation of 6. what is the z-score for a student who earned a 75 on the test? round your answer to the nearest thousandth.

The graph of the function f(x) = (x + 2)(x + 6) is shown below. which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.