V squared minus 8V minus 31 equals 10

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?

Match each inequality to the number line that represents its solution

Which statement best explains why ben uses the width hi to create the arc at j from point k