The stopping distance d of an automobile is directly proportional to the square of its speed s.
On one road, a car requires 75 feet to stop from a speed of 30 miles per hour. How many feet
does the car require to stop from a speed of 48 miles per hour on the same road?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

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”?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re