How do you know that the sum of (-2 3/4) and 5/9 is rational

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?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?