The ratio of pens to pencils in mrs. bosworth's desk is 4: 1. what does this mean?

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

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?