In a recent year, there were approximately 125 million moviegoers in a certain country. of these, about 12/25 were ages 27-37. find the approximate number of people ages 27-37 who attended the movies that year.

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 the average rate of change for the given function drom x=1 to x=2

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )