Express your answer in simplest mixed-number form. 6 5/9 + 2 7/9

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?