Kellan just spent $45 on chocolate bars. If he purchased 60 chocolate bars, how much did each one cost? Round to the nearest hundredth.

Which expression gives you the distance between the points (5,1)and(9,-6)

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes

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”?