Which ordered pair represent solutions to the linear inequality below. Check all that apply. x - 4y < -12 (-8,-3) (-12,0) (-7,9) (3,5) (1,-8) (-4,2)

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”?