Describe how to derive the quadratic formula from a quadratic equation in standard form

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?

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers