from the equation, find the axis of symmetry of the parabola.
y = 3x - 12x + 11
a. x=-2
b. x=2
c. x=1
d. x=-1

Which value is not a solution of 8x^3 – 1 = 0

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).