At a party 28 handshakes were exchanged. each person shook hands exactly once with each of the others. how many people were present?

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?

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?