Roger drove 363 miles to visit his cousins. it took him 6 hours to get there. what was the average speed that roger drove?

What is the volume of the sphere shown below with a radius of 3?

Which of the following best describes the figure?

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”?