Kiran wants to open a savings account with the bank Bells Cargo. The bank offers a savings account that pays out 6% interest compounded annually. If Kiran wants as least $10.000 in his account after 25 years, how much does Kiran need to put in the account initially

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?