Let d(t) be the number of dogs in the united states in year t, and let c(t) be the number of cats in the united states in year t, where t=0 corresponds to 2000.

(a.) interpret the value of p(5).

(b.) let n(t) represent the population of the united states in  year t, where t=0 corresponds to 2000. find and  interpret  h(t) = p(t) / n(t).

At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?