on a map scale, 2 inches represents 60 miles. Which graph best shows the relationship between X, the number of inches on the map, And Y, the actual distance in miles?

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”?