karen purchased a dvd player on sale The original selling price was $171.50. The sale price was $145.22. What is the first step in finding the percent markdown? Find the percent markdown.

Match each inequality to the number line that represents its solution

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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”?