Amanda earned a score of 940 on a national achievement test that was normally distributed. the mean test score was 850 with a standard deviation of 100. if 1000 students took the test, how many scored below amanda? use your z table.

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36