What three numbers are between .33 and .34?

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”?

Factor and solve to find roots x squared -x - 90 =0

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal