There are 13 animals in the barn. some are chickens and some are pigs . there are 40 legs in all. how many of each animal are there?

The total number of photos on hannah’s camera is a linear function of how long she was in rome. she already had 44 photos on her camera when she arrived. then she took 24 photos each day for 6 days. what is the rate of change of the linear function that represents this

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?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?